Administration Officer, Zero Emission Freight
United Kingdom

Delia serves as the Administration Officer for Zero Emission Freight, with a particular focus on the Laneshift programme. Her role also encompasses providing administrative support to the rest of the Zero Emission Freight team.

Prior to joining C40, Delia had spent several years working in administrative roles in the private sector. She has also dedicated her time throughout the years to volunteer in non-governmental organisations in the UK and Latin America, particularly within the education and environmental sectors.

Delia has an MSc in Environment, Development, and Politics from the University of Birmingham and a BA in International Politics from Aberystwyth University.

Project Officer, Zero-Emission Buses
South Africa

Tenele Ndlovu serves as C40’s Project Officer – Zero-Emission Buses within the Transport Team. In this capacity, she is instrumental in supporting the delivery and implementation of our Zero-Emission Buses programme, contributing to the global transition to zero-emission buses in various C40 cities.

Tenele is based in Pretoria, South Africa, and brings valuable experience from her previous role at GIZ, where she worked in the Climate Support Programme (Phase IV), specializing in mitigation and monitoring & evaluation, and previously at the Department of Environmental Affairs (now called the Department of Forestry, Fisheries, and the Environment) in South Africa.

Her dedication to climate mitigation and the environment is evident through her professional journey. Tenele holds an Environmental Management (Honours) degree and is currently pursuing an MSc in Environmental Science, focusing on the implementation of climate change policy strategies.

Programme Officer, Ports & Shipping
United Kingdom

Majka Wankiewicz is the Programme Officer in C40’s Ports & Shipping team, where she supports the overall coordination and delivery of the programme, internal and external reporting, stakeholder engagement activities, and preparation of communications outputs.

Majka joined C40 in 2023 as the Europe region’s intern – a role in which she supported the Regional Director and Deputy Regional Director in facilitating climate action efforts and engagement of C40’s European cities, as well as C40’s work on EU advocacy. She then served as interim Urban Planning and Design Officer, supporting the UPD team in team coordination and work planning.

Originally from Poland, Majka currently resides in London, UK. She has a BA in International Relations from King’s College London, where she specialised in international political economy and EU policy.

Green and Thriving Neighbourhoods Project Manager

Michael O’Neill is Project Manager for C40’s Green and Thriving Neighbourhoods programme. Michael supports cities in using urban planning and urban design approaches at a neighbourhood scale to reduce emissions while also improving people’s quality of life, health and well-being.

Before joining C40, Michael worked as a Policy and Project Advisor at the City of Toronto, where he led the development of the City’s first standalone neighbourhood parks plan, which aims to ensure that everyone has access to high-quality greenspace within a 15-minute walk of their home. He also managed applications for sustainability and resilience-focused grant funding, coordinated his team’s relationship with the City Council, and co-developed an internal learning series on Indigenous topics in park planning. Before that, he worked as a transportation planning consultant, contributing to projects ranging from the development of complete street policies to plans for new subway lines.

Michael holds a Master of Urban Planning from McGill University and a Bachelor of Arts in Human Geography from the University of Alberta.

Zero Emission Area Senior Manager
Bianca Russo Zero Emission Area Senior Manager

Bianca is the Zero Emission Areas Senior Manager in the Transport team at C40 Cities. In this role, Bianca works with colleagues to deliver C40’s Zero Emission Zones programme and support cities to meet their commitments under the Green and Healthy Streets Accelerator, helping to achieve effective, ambitious and measurable results in decarbonising urban transport.

Before this role, Bianca was Advisor to the Deputy Mayor for Mobility at Milan City Hall, where she coordinated events and stakeholder roundtables, and strengthened opportunities with European cities to ensure peer-to-peer learning.

Previously, she worked with the Politecnico University of Milan, helping cities design participatory processes for their air and climate plans. Bianca graduated in Chemistry from the University of Milan and specialised in Geography at University College London (UCL).

Knowledge Manager, Ports & Shipping
United Kingdom
Ariane Colson - Knowledge Manager, Ports & Shipping

Ariane is the Knowledge Manager for Ports & Shipping at C40 Cities, where she promotes the decarbonisation of the maritime sector. She is responsible for coordinating the delivery of engagement and knowledge products in collaboration with Green Ports Forum members. Her work also informs the future development of the Ports and Shipping programme, particularly for port cities in the Global South.

Before joining C40’s Ports & Shipping team, Ariane contributed to C40’s Women4Climate Initiative, pushing gender-inclusive climate action higher up the political agenda. Through her work, she has helped to strengthen the participation of women and people from marginalised communities in urban climate action. She also worked as a gender and climate policy intern with Women Engage for a Common Future Gender, where she supported gender and climate advocacy for COP26.

Ariane holds an Master’s (Hons) in International Affairs from Sciences Po Paris, France, where she focused on feminist and people-centered approaches to global affairs. She was awarded the Advanced Certification in Gender Studies to recognise her academic work.

Urban Planning and Design Officer

Benedetta is the Urban Planning and Design Officer at C40’s Copenhagen office. As part of the Horizon Europe ReGreeneration project, she contributes to the design and adoption of innovative people-centred, nature-based solutions for neighbourhood revitalisation across 9 European cities.

Prior to joining C40, Benedetta collaborated closely with the City of Milan’s Permanent Climate Assembly, developing an inclusive deliberative governance model for climate planning. In her experience as a Consultant at the World Food Programme she tackled the complex links between food security, political stability, and urban environments.

She holds a dual Master’s degree from Sciences Po Paris and the London School of Economics, specialising in International Development with a keen focus on urban sustainability policies. Throughout her studies, she founded and led projects bridging policymakers, academia, and youth to foster dialogue on sustainability challenges.

Zero Emission Freight Project Officer
United Kingdom

Joshua West is a Project Officer for C40’s Zero Emission Freight programme, working to help cities overcome barriers to electrifying and decarbonising the freight sector.

Joshua supports city-business collaboration, good, green jobs, and electrification and management of 2 and 3-wheelers, and more widely contributing to the strategy and work plan for the Zero Emission Freight programme in North America and Europe.

He brings over seven years of experience, having held senior sustainability positions across micro-mobility, non-profit partnerships, and higher education institution sectors.

He led TIER’s involvement in the UK government-funded e-bike programme ‘Making Cycling E-asier’ in 2023 and has previously delivered initiatives aligning to air quality, healthy streets, freight, and active travel themes for Cross River Partnership, such as ‘Clean Air Villages’ on behalf of the UK government, and ‘Healthy Streets Everyday’ on behalf of the Mayor of London.

Joshua has a BSc in Conservation Biology from the University of Plymouth and currently resides in Manchester, UK.

Senior Manager, Walking and Cycling

Camila is the Walking and Cycling Senior Manager in the Climate Solutions and Networks team, leading the active mobility network of 35+ cities in all continents and regions to foster walking and cycling solutions through peer-to-peer exchange and technical assistance.

Camila has been a cycling advocate in Mexico City. Prior to C40, she contributed to diverse programmes and projects for international organisations such as the Institute for Transportation and Development Policy in Mexico, the Inter-American Development Bank, and BYCS, as well as regional and local governments in Latin America. Her work has focussed on the intersection between cities and sustainable mobility, climate change, and gender.

Camila graduated from the National Autonomous University of Mexico with a BSc in International Relations and an MSc in Urban and Economic Geography from Utrecht University.

Renewable Energy Technical Adviser, South Africa
South Africa

Hlengiwe Radebe serves as a Renewable Energy Technical Adviser as the technical lead and project manager for the new South African Renewable Energy project that will support five South African member cities (Cape Town, Johannesburg, Durban, Ekurhuleni, Tshwane) to transform electricity systems in South Africa, by increasing renewable energy capacity.

Before joining C40, Hlengiwe worked with youth, labour unions, and civil society organisations on climate change and just energy transition at WWF South Africa as a Civil Society and Youth Engagement Officer. She also facilitated policy discussions between these stakeholders and the national government to push for more ambitious climate policies and accountability. Before she joined WWF, she worked at Sustainable Energy Africa as a Sustainable Energy Advisor focusing on policy advocacy and government capacity building, and coordinating large, multi-year programs to help cities in South Africa and Sub-Saharan Africa developing and implementing sustainable energy and climate change strategies, including renewable energy, energy efficiency, and energy poverty.

Hlengiwe holds an MSc in Interdisciplinary Global Change Studies and BSc Honours in Geography from the University of the Witwatersrand.

Climate Resilience Programme Officer
United Kingdom
Lucy Petty - Climate Resilience Programme Officer

Lucy Petty is a Climate Resilience Programme Officer in the Climate Solutions & Networks team at C40.

Before joining C40, Lucy worked as a Programme Management Associate at Chemonics International in London, where she supported a range of predominately UKAID-funded programmes in a project management capacity, including primary education in Syria, governance programmes in Mozambique and mobilising ESG finance in emerging markets.

Lucy joins us with a BA in Human Geography from Newcastle University, where she was awarded the Royal Geographical Society’s Developing Areas Research Group (DARG) prize for her dissertation exploring the viability of ‘Responsible Volunteering’ as a development solution in Zanzibar. She also holds an MSc in Development Studies from SOAS University, where she focussed on gendered vulnerabilities to the changing climate and adaptation solutions in small-holder farming communities across the ‘Dry Corridor’ region in Central America.

Outside of work, Lucy enjoys escaping London to the countryside, catching up with friends over a glass of wine and practising yoga.

Manager, 24/7 Carbon Free Energy
South Africa

Mankurwana Mahlase is the 24/7 Carbon Free Energy Manager within C40’s Energy and Buildings Programme. In this role, Mankurwana supports a pilot African city with technical assistance for developing a 24/7 carbon-free energy system.

Prior to joining C40, Mankurwana worked at the Palladium Group, where she was the South Africa-UK PACT portfolio manager. In this role, she provided support for a grant programme of over $10 million covering project management, programme reporting and stakeholder engagement. Mankurwana holds a Master’s degree in Environmental & Geographical Science from the University of Cape Town.

Manager, Food & Waste and Energy & Buildings
South Africa

Helen works in a transversal role supporting projects across C40’s Energy & Buildings and Food & Waste teams. These sectors, combined, account for the majority of greenhouse gas emissions in many cities, and Helen relishes the wide-ranging urban systems perspective that the role provides.

Prior to C40, Helen worked in a small architectural practice tackling a range of projects, including maintenance and strategic reporting projects for public building portfolios. She has also worked with the Yale Sustainable Food Program.

Helen holds a B.A. in Environmental Studies and Architecture from Yale University, specialising in urban environments. She is based in Cape Town.

Coordination Officer
United States

Jacqueline serves as Coordination Officer within C40’s Climate Solutions & Networks team. Prior to joining C40, Jacqueline worked with the International Renewable Energy Agency’s (IRENA) Office of the Permanent Observer to the United Nations. At IRENA, she became well acquainted with the UN System while also conducting research on renewable electricity access in Least Developed Countries and Landlocked Developing Countries.

Jacqueline holds an MA in Near and Middle Eastern Studies from SOAS, University of London. There, she specialised in economic development and the energy transition in North Africa. In London, Jacqueline worked with SUFINDA (Sustainable Finance Data) to research climate change technologies in the Nationally Determined Contributions of countries in the Global South.


Senior Manager, Clean Construction and Just Transition
United Kingdom

Dan supports research and initiatives addressing the social justice impacts of decarbonising the construction industry. He manages a programme called Cities Piloting a Just and Viable Transition to a Regenerative Built Environment, with the pilot cities being Oslo, Madrid and London.

Dan comes to C40 from working in local government with experience in public infrastructure delivery and community-led governance. He was part of the second cohort of Public Practice Associates formed in London as a network of peers carrying out in-practice research on capacity building within local authorities. Previously he worked as a community planner and business development manager and has a wide range of experience working in diverse communities. His early career included producing independent theatre and running a young people’s theatre festival in his home town of Toronto.

Dan holds a Master’s degree in Building and Urban Design from the Development Planning Unit at UCL and a certification in Environmental Management from IEMA.

Students Reinventing Cities Project Officer
United Kingdom
Ellie White C40 Headshot

Ellie is the Students Reinventing Cities Project Officer at C40 Cities, part of the Urban Planning and Design Team in the Department of Climate Solutions and Networks.

Ellie works with 12 world-leading cities, as well as students and academia across the globe, to manage the C40’s Students Reinventing Cities competition. This initiative invites young people to reimagine urban spaces and share their vision for green and thriving neighbourhoods, helping make the 15-minute city a reality.

Ellie joined C40 in 2022 as C40-Bloomberg Philanthropies Awards Intern, working in the Executive Office. She coordinated the 2022 Awards Celebration and Opening Reception, which celebrated the best examples of city-led climate action, at the C40 World Mayors Summit in Buenos Aires. At the Summit, she also supported C40’s International Youth Delegation.

Before joining C40, Ellie coordinated the European Union’s ERASMUS+ KA204 project, ‘Photovoice: A window on the sexual and emotional rights of migrant women’, in Valencia, Spain. Working with women’s NGO ‘Asociación Por Ti Mujer’, she also organised the project’s international Good Practice Exchange Week and photo exhibition.

Ellie is fluent in Spanish and proficient in Italian and holds a BA in Modern Languages from the University of Bristol, UK.

Senior Manager, Public Transport Network
United Kingdom

As Senior Manager for C40’s Public Transport Network, Louise supports member cities in making the case for public transport investment and designing policies that prioritise, improve and enhance public transport. She is also collaborating with C40’s Campaigns team and the International Transport Workers’ Federation on The Future Is Public Transport campaign.

Prior to joining C40, Louise worked at WhereIsMyTransport, leading the company’s partnership strategy with multilateral development banks, philanthropic groups and private sector companies to support the delivery of sustainable urban mobility projects in developing cities, focusing specifically on informal transport systems. Before joining this mobility technology company, Louise worked as an economic development consultant, supporting public sector organisations across the UK to address their urbanisation challenges.

Louise holds a Master’s degree in Urban Planning from the London School of Economics, and a Bachelor’s in Political Science and Management from McGill University.

Network Manager, Food Systems and Sustainable Waste Systems
South Africa

Anri Manderson serves as Network Manager in the Climate Solutions and Networks team, splitting time between the Sustainable Waste Systems Network and the Food Systems Network. She supports the delivery of both networks’ knowledge-sharing activities, also helping cities deliver on their commitments to the Pathway Towards Zero Waste and the Good Food Cities Accelerator.

Before joining C40, Anri worked in food systems across southern Africa, specifically building resilience in smallholder farmer systems. She has extensive experience in community and natural resource governance, building local economies, regenerative agriculture, and youth and female empowerment.

Anri holds a joint PhD in food policy from the Universities of Antwerp in Belgium and Stellenbosch in South Africa. She also completed an MPhil degree in Sustainable Development Management and Planning and a BA in Visual Communication Design, both at Stellenbosch University.

Manager for Urban Planning and Adaptation Integration
United Kingdom

Emma believes urban planning is vital for creating green, resilient and thriving cities. In her role as Manager for Urban Planning and Adaptation Integration, Emma works across C40’s Urban Planning and Design and Resilience teams to provide integrated technical support to C40 cities. Emma is responsible for working with cities and across C40 teams and programmes to mainstream climate adaptation through urban planning.

Prior to joining C40, Emma spent three and a half years at built environment consultancy Arup. There she developed her technical expertise in urban planning for adaptation (and mitigation) through projects working for municipal authorities and international development institutions in the United Kingdom and abroad. She is experienced in advising local governments on how to translate local climate objectives and global best practices into ambitious planning policies. 

Emma is an Associate of the Royal Town Planning Institute (AssocRTPI) and holds First-Class degrees from the London School of Economics (MSc Environment and Development) and the University of Oxford (BA Geography).

Senior Program Manager, Green Shipping and Ports

Elyse is the Senior Programme Manager for Green Shipping and Ports, where she is responsible for engaging and promoting shipping and port decarbonization. She has experience working with both public and private stakeholders at the intersection of international collaboration, climate risk, and green shipping corridors.

Prior to joining the C40 team, Elyse managed decarbonization projects with the First Movers team at the Global Maritime Forum. She was a key contributor to the Zero-Emission Shipping Mission’s Blueprint for Future Ports Programme, and part of the team driving the Poseidon Principles initiatives.

Originally from the midwest US, Elyse now lives in Copenhagen, Denmark. She has a BA in Global Studies from Appalachian State University in North Carolina and an MSc in Security Risk Management and Environmental Governance from the University of Copenhagen.

Water Programme Officer
United Kingdom

Alejandro is an architect and urban planner with relevant experience setting resilience plans for vulnerable communities. As C40’s Water Programme Officer, Alejandro is responsible for coordinating and managing the second phase of the Water Safe Cities Project delivery, which aims to reduce water-related climate risk.  

Prior to joining C40, he lectured on slum upgrading strategies and developed several urban regeneration schemes in the Global South. His most recent work was setting up a Mobility Plan for Medellín city (Colombia), seeking to prioritize pedestrians, cyclists, and public transport in street design. 

Alejandro studied architecture at two regional universities: Universidad Pontificia Bolivariana (Colombia) and Universidad Catolica (Chile). Afterwards, he won a Chevening scholarship targeted at local leaders that allowed him to study for a Master’s degree in International Planning and Sustainable Development at the University of Westminster (United Kingdom).

Alejandro enjoys sketching urban landscapes, practising yoga and visiting local markets.

Team Delivery Officer, Climate Solutions & Networks
United Kingdom

Ekaterina (Katya) Guryeva serves as Team Delivery Officer, Climate Solutions & Networks, at C40. As a key part of her role, she supports CSN teams in coordinating and delivering workshops, webinars, study tours and other core services to C40 cities. Prior to this, Katya was an Events intern at C40, supporting the delivery of the 2022 World Mayors Summit.

Before joining C40, Katya served as Research and Analyst intern at IDeA Foundation Armenia, where she researched the development and financing of urban green space in Yerevan. She has also worked on social impact projects in Russia and Armenia, including co-founding the youth arts camp Caucasus Connect.

Katya holds a BA in European Social and Political Studies from UCL, specialising in Urban Planning, Danish and Spanish. As part of her degree, she also spent a year at the University of Copenhagen studying Landscape Architecture and Urbanism at Master’s level.

Project Manager, Green Shipping Corridors
United States

Yana serves as Project Manager within C40’s Ports and Shipping team. She coordinates the Green Shipping Corridors work of C40, aimed at decarbonizing global maritime transport, reducing emissions from ports and ships, and promoting green infrastructure development and broader sustainable shipping practices.

Before joining C40, Yana worked in an environmental non-profit in Brussels, lobbying the EU for the adoption of ocean protection legislation. For many years, her work in Europe was centred around EU and French advocacy, campaigning, as well as citizen empowerment and mobilization. She is the co-author of 3 studies on eco-anxiety.

Yana holds a Bachelor’s degree in International Relations and a Master’s in European Affairs. She speaks English, French, Russian and Dutch.

Director of Climate Resilience
United Kingdom

Sachin serves as C40’s Director of Climate Resilience. He oversees C40’s adaptation programmes and activities, including urban heat, water and urban nature.

Previously, Sachin worked in Arup’s International Development and Urban Design Departments for thirteen years. Sachin has a Bachelor’s degree in Architecture from Mumbai University and a Master’s degree in Urban Design from Harvard University.

Manager for Urban Planning and 15 Minute City

Camille serves as C40’s Manager for Urban Planning and 15 Minute City. She is responsible for the Green and Thriving Neighbourhoods programme, which empowers and supports cities to implement the 15-minute city principles and ambitious net-zero neighbourhoods.

Prior to joining C40, Camille worked as an intern in the research team of the UCLG World Secretariat in Barcelona. She was involved in the publication of the 6th report of the Global Observatory on Local Democracy and Decentralisation (GOLD VI) on pathways toward urban and territorial equality. She also took part in the annual report for the UN High-Level Political Forum on the localisation of SDGs. She has experience working for architecture firms both in France and the United States as an intern.

Camille holds a Master’s in Governance of Ecological Transitions from Sciences Po Paris, and a Master’s in Architecture.

Senior Manager, Private Building Decarbonization

Disha is C40’s Senior Manager for Private Building Decarbonization. In this role, she works with cities to accelerate the implementation of energy efficiency and building decarbonization measures in private sector buildings. She has previously acted as the Senior Programme Manager of Clean Energy, where she managed the network with the aim of supporting cities to plan and implement ambitious energy programmes in the view of decarbonizing electricity, heating and cooling.

Prior to joining C40, Disha was at the International Energy Agency, where she was the energy efficiency coordinator for India. In this role, she worked on a wide range of topics, including buildings, industrial and transport energy efficiency, and supported the IEA in developing the roadmap for energy-efficient residential buildings in India-timelines towards net zero buildings and construction, developing a policy package for mainstreaming energy efficiency in the textile sector. She also supported the IEA in drafting an energy-efficient stimulus recovery plan for India.

Disha holds a Master’s degree in Energy Systems from the Indian Institute of Technology and is an electrical engineering graduate.

Reinventing Cities Project Officer
United Kingdom

Priyanka serves as Project Officer for C40’s Reinventing Cities Programme within the Urban Planning and Design team. She has a background in Sustainable Design and holds an MSc in Environmental Design and Engineering from University College London. Prior to joining C40, she worked as a Sustainability Consultant, where she collaborated with design teams to integrate passive design strategies as well as renewable technologies into building designs.

Alongside her previous role, Priyanka worked as a Community Engagement Officer at Energy Garden, where she supported community groups in South London to deliver resilient projects such as community gardens to grow food and enhance biodiversity within London Overground Stations.

Senior Manager, Urban Heat
Amy Buitenhuis, Senior Manager - Urban Heat

Amy Buitenhuis is Senior Manager for Urban Heat and manages the C40 Cool Cities Network. She supports a network of global cities to identify, plan and implement projects to increase resilience to urban heat.

Before joining C40, Amy spent almost a decade working at the City of Toronto on programs and policies related to resilience, housing, and COVID-19 response and recovery. During this time, she is proud to have delivered Toronto’s first Resilience Strategy and led the City’s 2020 hot weather response during the COVID-19 emergency (and hottest summer in 50+ years). She also
designed and established a new apartment building quality standards program, regulated short-term rentals, and developed Toronto’s plan for the future of its temporary COVID-19 shelters for people experiencing homelessness and on its journey toward recovery from the pandemic.

Amy holds an MA in geography from the University of Toronto and a BScE in engineering and BA in geography from Queen’s University (Canada).

Clean Construction Finance Manager
Kaitlyn Dietz - C40 Global Programme Officer, UKAID Climate Action Implementation

Kaitlyn is Clean Construction Finance Manager, working on a programme to support a just and economically viable transition to a decarbonised construction sector in European cities. The programme pilots inclusive and innovative approaches to low-carbon construction in London, Madrid and Oslo, while building the case for wider transformation, e.g. through targeted research on socio-economic impacts including labour and costs.

Previously, Kaitlyn worked on the global coordination and management of C40’s UCAP Climate Action Implementation Programme, which delivers high-impact climate actions and mainstreaming in 15 cities in Africa, Latin America and Southeast Asia. Before C40, Kaitlyn worked for several years at ICLEI’s European Secretariat, working with local governments on sustainable construction, circular economy, and green public procurement. Her experience includes managing several EU-funded innovation projects, facilitating capacity building and knowledge exchange processes between cities, and engaging in advocacy for urban climate action in European policy fora. She previously worked as a researcher and project manager on equitable environmental planning, green infrastructure, and the right to housing in Latin America and Europe.

Kaitlyn is an Architectural Engineer (B.Sc. from the University of Texas at Austin) and has dual Erasmus+ Master’s degrees in International Cooperation & Urban Development from the Technical University of Darmstadt and the International University of Catalonia.

Senior Programme Manager, E-Bus Mission
South Africa
Lusanda Madikizela, Senior Programme Manager, E Bus Mission

Lusanda Madikizela serves as the Senior Programme Manager for the TUMI E-Bus Mission, supporting selected Deep Dive Cities with electric bus deployment, and ensuring readiness for 100 000 e-buses by 2025. Lusanda is an Urban Planner who has previously worked in various roles as a development planner, a property manager and as a transport planner.

In her longest role with a national government, she worked closely with different cities, supporting them with transport planning as well as the development and implementation of public transport plans and operations. Her experience also includes mega-event transport planning and management, as a previous project leader for transport operations for the 2010 FIFA World Cup, and working closely with transport operators, to establish a public transport operations company for Bus Rapid Transit.

Lusanda is a former non-executive Director of the Tshwane Housing Company, an affordable, social housing provider, and maintains a keen interest in the development and growth of this housing sub-sector in Africa. She has a BSc Hons in Urban and Regional Planning, a Master of Urban Studies: Urban Management, both from Wits University and a post-graduate Certificate in Executive Development. She enjoys travelling, viewing public/street art and architecture, and attending live music shows.

Project Officer, Zero Emission Bus Rapid-Deployment Accelerator (ZEBRA)
Mariana Batista - C40 Project Officer, Zero Emission Bus Rapid-Deployment Accelerator (ZEBRA)

Mariana serves as ZEBRA Project Officer and is responsible for the many knowledge sharing activities, publications and events of the ZEBRA Partnership, as well as updates of the E-Bus Radar.

Prior to joining C40, Mariana worked for the UK Government in Brazil, acting as the programme manager for the Bilateral Future Cities Programme, a programme by the Foreign, Commonwealth and Development Office (FCDO). She also worked for the UK Department for International Trade supporting the Defence and Security Industry in Brazil.

Mariana holds a BA in International Relations from São Paulo State University (UNESP) and is currently finalising an MBA in Sustainable Cities from Rio de Janeiro Federal University (UFRJ). She can speak Portuguese, English, and Spanish.

Senior Programme Manager, Zero Emission Freight
United States
Catherine Ittner - C40 Zero Emission Freight Senior Programme Manager

Catherine Ittner is Programme Manager for C40’s Zero Emission Freight programme, working to help cities overcome barriers to electrifying and decarbonising the freight sector.

Catherine brings nearly a decade of environmental experience to the role, with several years at Environmental Defense Fund covering a wide range of areas including clean energy, clean air and transport. Catherine led strategic communications for the Breathe London pilot, an ambitious project to map and measure the capital city’s air pollution in partnership with C40, the Mayor of London, Google and scientific experts. Her work also contributed to the passing of congestion pricing in New York City and Illinois’ groundbreaking Future Energy Jobs Act. Most recently, Catherine worked to transform maritime shipping into a clean, zero-emission industry that supports the deployment of renewable energy and reduces the current disproportionate health burden caused by air pollution.

Originally from Houston, Catherine has lived in Buenos Aires, Austin and London and now resides in New York City. She has a BA in International Studies and Sociology from the University of North Carolina Chapel Hill and a PRINCE2 Practitioner certification.

Senior Manager, Land Use Planning
Photo of Alice Kaumba photo, the C40 Senior Manager of Land Use Planning, in the Climate Solutions and Networks team

Alice manages C40’s Land Use Planning network, which is responsible for providing support to cities to develop sustainable land use and urban planning policies.

Prior to joining C40, Alice worked as a chief land use planner with National Land Commission Kenya. She was responsible for monitoring the implementation of the National Land Use Policy, coordinating collation of data for drafting responses to questions raised by the Kenyan Parliamentary Committee on Land, and providing technical assistance to county governments in developing sustainable urban plans. Alice has also worked in local government, responsible for development permitting and advising real estate developers, and previously as an urban planner with a consultancy firm, where she was the head of the research and community engagement unit. Alice is based in Nairobi, Kenya.

Technical Head of Breathe Cities, Southeast Asia & Senior Advisor Air Quality and Health

Vivian serves as the Technical Head of Breathe Cities, Southeast Asia, and Senior Advisor, Air Quality and Health. As part of the Air Quality team’s technical assistance program, Vivian is responsible for coordinating in-house modelling, analysis, report writing, and public communication in support of the cities’ air quality planning and policy development, as well as strengthening connections within C40 and with key C40 partner stakeholders.

Vivian is an air pollution epidemiologist with over 13 years of research experience, focusing on air pollution/environmental health, urban health, chronic diseases and well-being, and “big data” quantitative research methods. Before joining C40, she worked at Vital Strategies, a global public health organization, where she made the case for addressing air pollution from a public health perspective, increasing commitment and capacity of key stakeholders to strengthen air quality management to promote public health, and informing the public about the risks of air pollution. She also has hands-on public health experience, working as an epidemiologist at the Massachusetts Department of Public Health in Boston, USA, and as a Principal Scientist at the National Environment Agency in Singapore. 

She holds a BSc in Biology from the University of Washington (Seattle, USA), a Masters in Public Health from Boston University (Boston, USA), and a PhD in Public Health from the Chinese University of Hong Kong (China). She is currently based in Singapore.

Air Quality Programme Officer
United States
Miranda Jakubek

Miranda serves as a Programme Officer with C40’s Air Quality team. Based in New York City, she supports the overall coordination and delivery of the programme, ensuring the air quality work is connected with other C40 programmes and networks, and working with external collaborators.

Before joining C40, Miranda worked at various organisations where her work focused on the intersection of public health and the built environment. This included collecting data and research on housing factors and the impact that housing upgrades could have on disease prevalence and creating an interactive map of the City of Camden, NJ, to examine the quality and availability of green spaces and other community features. After college, she worked as an intern with New York City’s Office of Climate Policy and Programs.

Miranda holds a degree in Public Health from Tulane University and a Graduate Certificate in Sustainable Cities and Communities from Harvard University.

Project Officer, Zero Emission Areas
South Africa
Senior Manager, Public Transport
United Kingdom

Naomi leads on public transport in the Transportation and Urban Planning team. She manages the Public Transport Network, which aims to increase the share of trips taken by public transport in member cities, by supporting cities to make the case for and design policies that prioritise, improve and enhance public transport. She also collaborates with C40’s Campaigns team and the International Transport Workers’ Federation on The Future Is Public Transport campaign.

Prior to joining C40 Naomi worked at Transport for London where she developed policies, strategies and projects that aim to increase and improve walking, cycling and public transport journeys. She also has four years’ experience working in the UK Parliament and a BA in Economics and French.

Urban Climate Resilience Manager

Celeste serves as Urban Climate Resilience Manager for the Adaptation team. In this role, she is responsible for ensuring coordinated management of a portfolio of activities and projects to achieve the overall objectives of the Climate Resilience programme within C40. Previously, Celeste served as Programme Officer for the Climate Action Implementation team, supporting programme management, planning and coordination across teams.

Before joining C40, Celeste was part of the UN-Habitat team in Lao PDR, where she contributed through project and programme management to expand the organisation’s portfolio in the country. She engaged in several projects linked to addressing climate change impact through adaptation and mitigation strategies, working closely with the government, donors, and development partners.

Celeste holds a Degree in Architecture, with a specialisation in Urban Planning, and an MSc in International Cooperation from the International University of Catalonia, Spain.

Zero Emission Vehicle Manager
United Kingdom

Zoe leads C40’s Zero Emission Vehicle Network, which supports 20+ cities to accelerate the transition to zero-emission vehicles and roll out charging infrastructure, whilst still creating cities that prioritise walking, cycling and public transport. She also works closely with colleagues to deliver C40’s Zero Emission Area programme and support cities to achieve their commitments under the Green and Healthy Streets Accelerator.

Before C40, Zoe has held roles in a variety of local non-profits, working on issues from healthy food provision, to refugee action, to domestic abuse support. She holds an MA in Conflict, Security and Development, specialising in sustainable development and environmental migration, and a BA in English, both from the University of Exeter, UK.

Technical Lead, Air Quality
United States

Zoë Chafe serves as Technical Lead for Air Quality at C40. In this role, Zoe provides technical guidance on air quality across C40 and leads C40’s air quality technical assistance program. Zoë has deep experience at the intersections of air quality, climate change, and human health. She served as Chapter Scientist for the Human Health chapter of the Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report, and as a lead author of the Global Energy Assessment. As a consultant for the World Health Organization, she led a report on the air quality and health impacts of home heating with wood and coal. At the City of Oakland, California, she evaluated potential health and safety risks associated with the proposed handling of coal at a bulk commodities terminal. She also served on the research and communications staff of the Worldwatch Institute in Washington, DC.

Zoë holds a PhD (Energy and Resources) and MPH (Master of Public Health) from the University of California, Berkeley, as well as a bachelor’s degree in human biology from Stanford University. Her research has been supported by the National Science Foundation Graduate Research Fellowship, the Young Scientists Summer Program at the International Institute for Applied Systems Analysis (IIASA), and the Atkinson Postdoctoral Fellowship in Sustainability at Cornell University.

Project Manager, Air Quality Policy and Analysis
United Kingdom

Toby serves as Data Analyst for Climate Action and Air Quality, within the Measurement and Planning Team. In this role, he helps to build and operate models that allow cities to measure the greenhouse gas, air quality and health impacts of climate action and related initiatives. Previously Toby worked as an intern at C40, where he helped to build project-level emissions analysis methods and also supported C40 cities with a variety of data collection efforts. Prior to joining C40, he worked in France, Spain and the UK as an English Language Teacher. Toby has an MSc in Environment and Sustainability from Birkbeck College (University of London) and a BSc in Zoology from the University of St. Andrews.

Declaration Manager, Green and Healthy Streets
United Kingdom

William serves as Declaration Manager for C40’s Green and Healthy Streets Declaration. In this role, William coordinates C40 support towards Green and Healthy Streets Declaration signatories and tracks the implementation of the Declaration in cities, helping to accelerate implementation and achieve effective, ambitious and measurable outcomes on decarbonising transport in cities.

Prior to his current role, William was Benefits Research Officer in the Knowledge and Learning Directorate, where he supported cities with making the case for climate action through demonstrating the wider social and economic benefits. He also supported on a number of additional research projects, including The Case for a Green and Just Recovery released by the C40 Global Mayors COVID-19 Recovery Task Force, and Coal-free Cities: The Health and Economic Case for a Clean Energy Revolution.

Director, Food and Waste
United States

Zachary Tofias serves as the Director of the Food and Waste Programme at C40. His work supports C40 cities’ transition toward regenerative resource management and reducing emissions through more sustainable consumption. The Food and Waste Programme is helping cities accelerate a worldwide transition to more effective municipal solid waste management, and the implementation of comprehensive solutions that reduce carbon emissions and increase resiliency throughout the urban food system.

Zach has been with the C40 Cities Climate Leadership Group since 2007 in partnership with the Clinton Climate Initiative. Over the course of this time, he has been City Director in Addis Ababa, Ethiopia, created and led the Climate Positive Development Programme, was the head of Urban Planning and Development, and recently was the Interim Director of Adaptation.

Since 2007, Zach has worked around the world with leading cities and the private sector on developing locally relevant solutions for replicable models of making cities more sustainable. Zach has a Master’s degree in Business Administration from Cornell University and a Bachelor’s degree from Middlebury College.

Technical Lead, Transport & Urban Planning
United Kingdom

Simon serves as Technical Lead for Transport at C40. In this role he provides technical expertise on transport and helps embed transport and urban planning programmes in cities’ climate action plans.

Prior to joining C40 Simon worked within the Transport Strategy team at Transport for London (TfL) on the development of air quality and environmental policy for the Mayors Transport Strategy and London Environment Strategy. He led the policy development for the T-Charge, the early introduction and expansion of the Ultra Low Emission Zone, the Mayor of London’s scrappage scheme for microbusinesses and charities, and TfL’s Zero Emission Zone guidance.

Simon holds an MSc in Transport Planning and Management from the University of Westminster and a BA in History from the University of Warwick.

Head of Food Strategy

Stefania oversees C40’s Food Strategy as part of the Climate Solutions & Networks Initiative. Before joining C40, Stefania worked as a policy advisor and project manager at the Mayor’s Office of Milan (2011-2015), where she focused on the Milan Urban Food Policy Pact and overall Food Policy for the city. In particular, Stefania helped design measures and liaised with local and international stakeholders. Stefania also worked as a World Health Organization (WHO) consultant for policy alignment and aid coordination in the health sector in Moldova (2011-2014) and Tajikistan (2006-2009). She has a PhD in Institutions and Policies from UCSC, Milan, and an MSc in Political Economy of Late Development from the London School of Economics.

Senior Manager, Zero Emission Bus Rapid-Deployment Accelerator
United Kingdom

Thomas Maltese serves as Senior Manager for C40’s Zero Emission Bus Rapid-deployment Accelerator (ZEBRA) project, led by C40 Cities and the International Council on Clean Transportation (ICCT). Working across different teams in C40 and partner organisations, Thomas will support C40 cities plan, finance and deploy electric buses. This will be initially done by working with Medellin, São Paulo and Mexico City, as well as the region’s leading city in this sector, Santiago, by creating best practice sharing opportunities for bus electrification in Latin America.

Prior to joining C40, Thomas kickstarted his career in the field of climate action at The Climate Group, as EV100 Project Coordinator, managing amongst other things relationships with EV100 members. EV100 is a global initiative bringing together companies committed to accelerating the transition to electric mobility from within their own operations.

Half-Italian and half-British, Thomas grew up in Italy and later graduated in Political Science from the Université Libre de Bruxelles in Belgium.

Head of Water Programmes

Pedro Ribeiro is C40’s Head of Water Programmes. He supports a network of global cities to identify, plan and implement projects to increase resilience to urban flooding impacts. The network is focused on four work streams: Governance and Holistic Water Management; Measuring and Monitoring Urban Floods; Flood Operations and Response; and Flood Reduction.

Before joining C40, Pedro worked at the Rio de Janeiro Resilience Office, where he worked on the development of Rio Resilience Strategy. In Rio’s Resilience Office, Pedro focused on the city’s urban climate vulnerabilities including Heat Waves, Drought, and Floods. Pedro was responsible for leading initiatives on Heat Waves, developing the first municipal urban heat map, and the Urban Water Resilience, developing Rio de Janeiro’s rainwater harvesting potential analysis (Reuse Map).

Pedro holds an environmental sciences degree at the Federal University of Rio de Janeiro State, with a post-graduate degree in Ecological Landscape at the Pontifícia Universidade Católica of Rio de Janeiro.

Senior Manager, Healthy Buildings
United Kingdom

Pegah is responsible for the C40 Healthy and Efficient Buildings Program, an innovative approach aimed at supporting cities to develop and implement building decarbonization actions that increase the health of their occupants, reduce energy use and create green jobs.

Pegah previously managed C40 Municipal Buildings Efficiency Network, supported cities in driving energy efficiency in their municipal assets, as well as provided cities with technical assistance on building energy data analysis that would inform and support ambitious policies. In addition, Pegah evaluated building energy efficiency scenarios in C40 Cities Climate Action Plans and produced building energy data-related research pieces for C40 Knowledge Hub.

Prior to joining C40, Pegah worked for Siemens Global Centre of Competence for Cities as an Infrastructure Researcher. There Pegah worked on projects including C40’s Air Quality Research, Digitalization and Industry 4.0 study, and an infrastructure overview project with Myanmar. Pegah is also an experienced web and graphic designer with data visualisation and communication expertise. Pegah holds a Masters’s in Smart Cities and Urban Analytics from University College London and a BA in Architectural Engineering from Azad Tehran, Iran. She speaks Persian and English.

Sector Knowledge Manager, UCAP Climate Action Implementation Programme
United Kingdom

Oliver is the Sector Knowledge Manager for C40’s UCAP CAI Programme, where he supports the transport, energy and buildings and waste teams to provide state-of-the-art technical sectoral support to strengthen the relevance and impact of the climate actions that cities will undertake as part of the UCAP CAI programme.

He has previously served as Project Manager, Sustainable Transport for the C40 Cities Finance Facility (CFF), where he managed the creation and dissemination of knowledge to support sustainable transport deployment in cities. Before C40 Oliver worked as a campaign manager for a political party and continues to work as a SCUBA diving instructor in both Malta and the UK. Oliver holds a Master’s degree in Climate Change from the University of East Anglia during which he worked with local authorities to identify the most appropriate GHG inventories to encourage meaningful emissions reduction and a Bachelor’s degree in Zoology from the University of Manchester.

Programme Manager, New Building Efficiency
United Kingdom

Paul Cartwright serves as Programme Manager for New Building Efficiency. Paul is responsible for managing the New Building Efficiency Network supporting cities to accelerate actions to improve energy efficiency and achieve net zero carbon for new buildings, as well as managing technical assistance programmes, including the C40 South Africa Buildings Programme. Prior to joining C40, Paul was a Principal Consultant at BRE (Building Research Establishment), a building research and consultancy organisation in the UK. Paul led a multi-disciplinary team of sustainable building professionals delivering applied research and consultancy projects focused on improving the performance of buildings for both public and private sector organisations. Paul took key roles in delivering a number of building performance innovation projects including working with industry, public sector and academic partners to develop solutions for scaling-up the delivery of low carbon housing. He holds a Bachelors degree in Geography and International Relations from Lancaster University and a Masters degree in Urban Development Planning from University College London.

Head of Zero Emission Areas and Vehicles

Mariola supports cities to promote the uptake of zero-emission vehicles and to design and implement zero-emission areas and other vehicle restriction policies, such as Low Emission Zones, Congestion Charging or Zero Emission Delivery Zones. With her team, Mariola aims to create cities prioritising people over cars, where most of the journeys are made by walking, cycling or public transport, and the remaining essential vehicle trips are zero-emission.
Mariola’s professional background is in strategy consulting. Before joining C40, Mariola worked as a Senior Manager for Dalberg Global Development Advisors, advising governments, multilateral organizations, UN agencies and foundations on urban issues, such as mass transportation, from a social and economic development angle. Before Dalberg, Mariola worked as a Senior Associate at The Boston Consulting Group (BCG) supporting Fortune 500 private sector companies in strategy design and implementation.

Mariola holds a Master’s in Public Administration from Columbia University (New York) and a Bachelor’s and Master’s in Business Administration from ESADE (Barcelona).

Technical Lead, Waste and Water

Ricardo Cepeda-Márquez serves as C40’s Technical Lead for Waste and Water, where he is the senior expert covering the areas of solid waste, materials management, and urban water management, bringing attention and organizational coordination to the opportunities in GHG emission reduction in these sectors, including the importance of upstream interventions around prevention and reduction of waste, accelerating the transition of cities towards a sustainable materials management vision, the urgency to address methane emissions from landfills and wastewater and the importance of integrated urban water management in cities. Previously, Ricardo served as Head of the Waste & Water Initiative at C40. Before joining C40, Ricardo led the development of the Closure and Landfill Gas Utilization Project at Bordo Poniente, the now-closed Mexico City Landfill, a project that is estimated to reduce more than 20 M tons of GHG emissions in the next 25 years. Ricardo also worked as a Lead Engineer performing hydraulic safety analysis for oil pipeline systems for the Mexican Oil industry – PEMEX, and developing statistical analysis tools for rainfall and drought prediction for municipal planning.

Senior Manager, Knowledge and Reporting
United Kingdom

As Senior Manager, Knowledge and Reporting, Ibtissam is responsible for leading several strategic projects which allow C40 to demonstrate city action, including reporting, data tracking and knowledge projects across the Climate Solutions and Networks team.

Ibtissam has been with C40 since 2018 with various responsibilities. She previously supported the CSN team in delivering high quality network engagement and outputs. She also supported C40’s work as part of the GEF-funded Global Platform for Sustainable Cities programme to deliver knowledge-sharing and capacity development activities in cities working on urban sustainability issues.

Prior to joining C40, Ibtissam worked at ClientEarth as a Programme Officer, supporting the work undertaken by the Climate & Forests team across the EU and in West and Central Africa. She also gained experience working in project management and business development in the private sector.

Ibtissam holds a Master’s degree in Business Administration from the University of Bordeaux and a Bachelor’s degree in Economics, Law and Management from the University of Rouen.

Director, Air Quality
United States

Iyad Kheirbek serves as Director, Air Quality at C40, and is responsible for the development and delivery of C40’s global air quality strategy. Prior to joining C40, Iyad spent a decade working on air quality, climate, and public health issues with the City of New York, most recently serving as the Executive Director of the Air Quality programme at the New York City Department of Health and Mental Hygiene. In that role, Iyad was responsible for leading the New York City Community Air Survey, the largest ongoing urban air monitoring program in the US, and led research and policy analysis to support development and implementation of New York City’s air quality and climate agendas. Prior to joining the New York City, Iyad worked as an environmental scientist for the nonprofit NESCAUM, assisting States in the Northeastern US in developing air quality and climate programmes. Iyad has an MS in Environmental Health from University of Washington in Seattle and a BA from Tufts University.

Director, Energy & Buildings

Irene Skoula serves as the Director of the Energy and Buildings Programme at C40. In that role, she leads a team that actively supports cities in implementing ambitious building energy efficiency initiatives and catalyzing the cleaning up of the energy supply in line with a 1.5°C climate mitigation target. She has previously acted as the Technical Lead for the Energy & Buildings team, helping C40 cities deliver ambitious actions in line with the goals of the Paris agreement, specifically through initiatives to deliver zero carbon new buildings by 2030 and all buildings by 2050 and increase low carbon energy supply as part of the global grid decarbonization required by 2050. She has also previously managed the Clean Energy Network at C40, which is focused on supporting cities plan and implement ambitious low carbon energy programs for electricity, while she has also acted as an interim network manager for Private Building Efficiency. As C40’s former City Advisor for the City of Athens, she facilitated the delivery of the first GPC-compliant GHG inventory for the city and a fully‐integrated Climate Mitigation and Adaptation Action Plan.

Before joining C40, Irene was the Head of the Department for Environmental & Energy Projects in one of the biggest consultancy firms in Greece. For more than 10 years, she worked with Greek and European local authorities for the development and implementation of sustainable energy action plans.

Irene holds a Bachelor’s degree in Physics from the National and Kapodistrian University of Athens,  and a Master’s degree in Environment and Sustainable Development from the National Technical University of Athens (NTUA).

Director of Urban Planning and Design

Hélène Chartier is the Director of Urban Planning and Design at C40. The team she leads develops programmes and activities that support cities to accelerate sustainable and resilient urban planning policies and design practices.

Her team leads the C40 Land Use Planning Network, which supports cities to institutionalise climate action through urban planning regulations; the Reinventing Cities competition, which delivers decarbonised and resilient urban regeneration projects; as well as the Green and Thriving Neighbourhoods programme and C40’s workstream on 15-minute cities.

Hélène previously served as an advisor to the Mayor of Paris Anne Hidalgo. She also worked for the Paris Urbanism Agency and the global consulting firm Arup. Hélène holds a Master’s degree in science and engineering from the École Centrale with a specialisation in building and civil engineering. In the past 15 years, Hélène has lived and worked in Paris, London and New York.

Technical Lead, Energy & Buildings
United Kingdom

Frankie Downy manages the Private Building Efficiency Network at C40, where she works with cities to accelerate implementation of energy efficiency measures in private sector buildings. Prior to C40, Frankie worked as a Development & Project Manager for International Programmes at the Energy Saving Trust. There she managed several European Commission-funded energy efficiency and renewable energy programmes that worked with industry, civil society, national and international agencies throughout Europe. Frankie also chaired a working group for EU member state governments on sharing best practice on effective ways to implement the Renewable Energy Sources Directive. She has a Master’s degree in Climate Change from the University of East Anglia and a Bachelor’s degree in Environmental Geoscience from Cardiff University.

Senior Manager, Sustainable Waste Systems
United Kingdom

Gisela Provasi serves as Senior Manager for the C40 Sustainable Waste Systems Network, supporting C40 cities in emissions mitigation in the waste management sector and building resilience and equity through their municipal waste management systems. Gisela’s work is mainly focused on cities in the Global South regions, working on topics such as achieving universal collection and safe disposal and diversion of organics and recyclables from landfills for treatment.

Gisela also acts as a youth mentor at Youth Climate Leaders, has completed training with The Climate Reality Project and is a lawyer registered at the Brazilian attorney association (OAB/SP).

She holds a law degree from the University of Sao Paulo and a master’s degree from Paris 1 Panthéon-Sorbonne in Sustainable Development, Environmental Management and GIS (DDMEG). Gisela speaks Portuguese, English, French, Spanish and has been learning Arabic MSA.

Director, Transportation
United Kingdom

Gunjan Parik serves as Director for Transportation at C40. Prior to joining the C40, Gunjan worked at Transport for London (TfL), most recently as the Head of Paralympic Transport and Accessibility, where she was responsible for ensuring TfL capacity to operate a robust transport network able to meet the unique challenges of the 2012 Olympic and Paralympic Games. She also worked as a Senior Associate at the TfL Policy Unit where she served as an advisor on issues of strategic importance for TfL. Previously, Gunjan was based in India where she worked as a Senior Consultant for Pricewaterhouse Coopers, working across a range of government institutions at local and national levels. Gunjan holds an Masters of Science in Management and Regulation of Risk, and an Master’s of Science in Information Systems, both from the London School of Economics.

Director, Climate Action Implementation

Daniel serves as Director of Climate Action Implementation at C40, developing and implementing multi-region projects to advance cities’ Climate Action Plans. Before that, he served as director of C40’s transport programme, advancing work on zero emission areas and setting up the Green and Healthy Streets Leadership Forum.

Daniel has nearly 20 years experience working in city government in Stockholm, London and Vancouver, and as a consultant to city governments in multiple regions. He has led strategy, policy, and implementation of major urban planning, transportation, climate action and innovation projects in multiple global regions. He has a track record of implementing complex and politically sensitive projects like traffic restrictions, urban densification, and road user charging.

Daniel has a Master’s degree in urban planning, having studied at the University of Newcastle-upon-Tyne, UK and Kungliga Tekniska Högskolan (the Royal Institute of Technology) in Stockholm.

Reinventing Cities Project Manager
United Kingdom

Costanza is the Reinventing Cities Project Manager. She graduated from UCL with an MSc in Environment & Sustainable Development and has a background in Environmental Engineering.

She has worked in marketing and communication in London and has first-hand experience in cities of China, Argentina and Western Africa. Recently, she was part of a research group in Freetown, working with local communities to tackle daily challenges and risks in informal settlements.

Costanza is Italian but she can speak five other languages including Spanish, French, some Portuguese and a little Mandarin too.

Head of Energy Strategy and Implementation
United Kingdom

Constant is C40’s Head of Energy Strategy and Implementation. In this role, he serves as the primary technical expert on energy at C40, and he helps cities deliver initiatives to increase low-carbon electricity supply, decarbonise heating, cooling and cooking and test innovative approaches to accelerate the transition to the clean, decentralised and digitised energy systems of the future. He oversees a range of regional programmes as well as the global Clean Energy Network. Constant has over 10 years’ of experience working on campaigns and programmes supporting the decarbonisation of energy systems and sustainable urbanisation.

Climate Solutions & Networks Team Officer
United States

Emily serves as the Climate Solutions & Networks Team Officer where she manages the overall Climate Solutions & Networks team coordination. In this role, she supports and tracks communication and knowledge materials for the team. Before this position, Emily worked as the Communications & Events Intern for C40 where she has provided logistical and administrative support for the Global Youth and Mayors Forum, collected and organized content for the new, and collaborated on technical working groups.

Prior to joining the C40 team, Emily earned her Master’s degree at Columbia University in the Climate and Society program studying the intersection of climate science and communication. As a graduate research assistant, she worked for the Columbia World Projects, ACToday Senegal, to research the effects of climate variability and change on food security. Before graduate school, she worked in Angers, France with the Teaching Assistant Program in France (TAPIF) and spent two summers interning with the United States Forest Service. Emily has a BA in Global and International Studies with a focus in human rights and a BS in French and Francophone Studies.

Declaration Manager, Clean Air Cities
United Kingdom

Eduardo serves as the C40 Clean Air Cites Declaration Manager. In this role, he works to drive forward the implementation of the declaration to strengthen air quality management in cities. Previously at C40, Eduardo was the Programme Officer for Air Quality, where he was responsible for assisting the overall coordination and delivery of the programme.

Before joining C40, Eduardo worked for UN-Habitat in their Bogotá office as part of the Regional Office for Latin America and the Caribbean. He participated in the development and management of projects within the “Urban Planning and Design”, “Urban Environmental Quality, Climate Change and Resilience” and “Urban Economy and Innovation” lines of work. Before that, Eduardo collaborated with Miljøpunkt, an NGO that works on social and environmental sustainability at the local level in the city of Copenhagen. He has also worked with the University of Málaga (Spain), where he conducted research focused on the promotion of sustainable systems in cities through the development of synergies between wastewater treatment plants and biomass production.

Eduardo holds a Degree in Environmental Sciences from the University of Málaga (Spain) and a Master of Science in Engineering of Sustainable Cities from Aalborg University (Denmark).

Director, Climate Action Engagement and C40 Copenhagen Office

is the Director of Climate Action Engagement. In this post, she works across the teams of Climate Solutions and Networks (CSN) and Climate Finance, Knowledge and Partnerships (CFKP) to maximise programme delivery and impact. Emilie also leads the Copenhagen office and oversees regional activities and relations.

Emilie has been with C40 since 2016 with various responsibilities in the Executive Director’s office and as Head of the C40 World Mayors Summit 2019. Prior to joining C40, Emilie worked on cities and climate action in the City of Copenhagen, Danish Ministries and in the Danish green think tank Monday Morning. Emilie is based in Copenhagen and has an MSc in Political Science from the University of Copenhagen and an MA in Cities/Urban Geography from Kings College London.

Senior Manager, Air Quality
United Kingdom

Dolly is C40’s Senior Manager for Air Quality, responsible for bringing together global cities within the C40 Air Quality Network. Through collaboration, cities share best practices and solutions for improving international air quality to meet their public health, climate and equity goals. Dolly’s priority is to support cities to design healthier, inclusive and resilient societies across the transport, buildings/energy and waste management sectors.

Previously, Dolly worked for the Mayor of London, where, as a Senior Policy Officer, she led a flagship hydrogen transport project for the European Commission under two political administrations. Dolly concurrently managed air quality communications for the Mayor’s environment team, promoting the T-Charge and Ultra Low Emission Zone policies, including the delivery of London’s Low Emission Bus Zones and School Air Quality Audit programme.

Outside of C40, Dolly is a Board Trustee at Parks for London, which works with local authorities and landowners to protect and improve London’s green infrastructure.

Director, Transportation
United Kingdom

Caroline serves as Director for Transportation at C40. Previously, Caroline worked at environmental behaviour change charity Global Action Plan where, as a Partner, she led their Air Quality Portfolio. Working with local authorities, cities, and the NHS, Caroline designed and delivered programmes to protect health and reduce dangerous air pollution. Prior to this, Caroline was Strategy Manager at the Energy Saving Trust managing electric vehicle research and delivery programmes. At EST she worked with business fleets to increase uptake of low carbon vehicles, and chaired the Low Emission Vehicle Partnership car working group and the European Energy Network’s Transport Working Group. Caroline has also worked as Policy Advisor in the UK’s Environment Agency and as a Researcher to a Member of the UK Parliament. Caroline has a masters degree in Environmental Politics from Keele University.

Managing Director, Climate Solutions and Networks
United Kingdom

Cassie is the Managing Director for the Climate Solutions and Networks team, leading the development and delivery of sector programmes and support to cities in energy and buildings, food and waste, transport, urban planning, air quality and climate resilience. Cassie started at C40 as the Director for Energy and Buildings, supporting cities to reduce energy consumed by existing buildings, ensure new buildings are efficient from the start, and clean up the energy supply to buildings and beyond.

Prior to joining C40, Cassie was at the Greater London Authority (GLA) where she was the project manager for the London Environment Strategy; launched in 2018, it is a world-leading strategy for environment ambition at the city level. She was also leading the climate adaptation and sustainable development team, working to manage London’s climate risks and impacts and improve quality of life. Cassie has a wide range of technical experience in buildings and energy including developing new carbon scoring tools for national energy efficiency schemes and assessing new energy efficiency measures while working at the UK energy regulator Ofgem. She has also developed national government policy on smart energy systems.

Cassie graduated from Edinburgh University with a BSc in Environmental Geoscience and Newcastle University with an MSc in Clean Technology.

Technical Lead, Clean Construction
United Kingdom

Cécile Faraud is Technical Lead for Clean Construction, supporting cities in driving zero carbon construction by 2050, with a focus on reducing carbon from materials and machinery.

Before C40, Cécile managed the London City-Business Leaders initiative at CDP, aiming to align the city and businesses’ climate ambitions and actions. The partnership comprises the Greater London Authority, 11 global companies operating in London such as Tesco, Sky, Siemens and Landsec, and NGO partners CDP, C40 and The B Team. She had previously shaped and led the Circular Economy programme for the city of Peterborough (UK), authoring blogs on the Circular Economy. When based in Bangkok, she has also worked on French and South-East Asian collaboration for sustainable development and cross-cutting regional issues.

She holds an MSc in Environment and Sustainable Development from University College London (UCL) and a Master’s degree in International Relations and Geography from IRIS Sup’ (France) and the Sorbonne respectively.

Clean Construction Senior Advisor

André serves a Senior Advisor for the Clean Construction Programme. Prior to joining C40, he worked at the Climate Agency for the City of Oslo where he primarily focused on Oslo’s transition to zero-emission construction machinery and reducing indirect emissions from the buildings sector. He was also closely involved in developing Oslo’s climate strategy to 2030. André has worked at the Norwegian Environment Agency where he led the unit responsible for implementing EU’s Emissions Trading System in Norway. He has previously worked on climate change issues for over a decade at the International Energy Agency and the World Bank. André holds a Masters degree in International Relations from Johns Hopkins University, School of Advanced International Studies.

Technical Adviser, Climate Action Planning, Latin America

Andrea Bizberg serves as a Technical Adviser for the Air Quality Climate Action Planning Project in Latin America, and is responsible for coordinating the air quality impact analyses for the two pilot city projects in Buenos Aires and Guadalajara.
Prior to joining C40, Andrea has worked for more than five years on air quality, climate change and public health issues in several countries in Latin America and Europe, most recently working as an international consultant for the United Nations Development Programme to support the update of the Nationally Determined Contributions (NDC).
Prior to this, she has worked from a public policy perspective across different sectors. With the NGO, the Nature Conservancy she has worked as a strategic consultant to increase the ambition of the NDCs of priority countries in LATAM with the inclusion of Natural Climate Solutions (NCS). She has also contributed to the development of a green finance taxonomy in Mexico with the Green Finance Advisory Council of the Mexican Stock Exchange. Finally, she has provided policy research and technical advice to the Economist Intelligence Unit, Harvard University and the Mexican Ministry of Public Health around air quality and public health issues.
Andrea holds a Master in Environmental Policies from Sciences Po, a Master in Environmental Sciences from Sorbonne Université (Université Pierre et Marie Curie) and a Bachelor in Science, Technology and Health from the University Paris-Saclay (Université Paris-Sud XI).

Manager, Net Zero Carbon Buildings Accelerator
United Kingdom

Andrew is the Manager of the Net Zero Carbon Buildings Accelerator, providing support to signatory cities implementing ambitious actions to decarbonise buildings. He is responsible for tracking the progress of signatory cities and coordinating with the C40 networks in assisting cities in overcoming barriers to implementation. This includes providing expertise on global best practice approaches to building decarbonisation policies, from supporting cities in C40’s energy and buildings networks to assisting technical assistance programmes such as C40’s UCAP Climate Action Implementation Programme.

He previously served as Advisor for New Buildings, providing direct technical assistance to cities supporting the development of policies and programs to improve new building codes. In this role, he also supported C40’s Deadline2020 program delivering Climate Action Plans for cities across the network.

Before joining C40, Andrew was a Sustainability Consultant in a building services engineering consultancy, working in the UK development industry. Andrew was responsible for designing and implementing energy & sustainability strategies for a broad range of developments, including delivering low and zero-regulated carbon emission housing developments. He holds a BSc in Biology from the University of Sussex.

Deputy Director, Ports and Shipping
United States

Alisa is Deputy Director of Ports and Shipping, working to connect port cities, ports, and related public and private sector stakeholders in sharing knowledge and developing and implementing policies and solutions that improve public health and mitigate greenhouse gas emissions from ports and supply chains. Alisa has extensive experience working with engineering consultancies, power utilities, technology companies, and government agencies in the energy and maritime sectors.

Over the past 5 years, Alisa championed and managed a port efficiency programme for the US Department of Energy’s Better Communities Alliance and supported the technical and advisory teams on the 2050 Masterplan for the Port Authority of New York and New Jersey. Alisa also spent a part of her career in Southeast and South Asia with an international electric utility, where she was responsible for leadership, project direction, business planning and development of critical power and infrastructure projects.

She is also a co-founder of SolarSkyrise, a clean technology company that tackles the emissions challenge of large buildings and transforms the value of urban renewables.

Alisa holds a B.A. in International Relations and Political Science from Boston University, and an Executive Master in Urban Planning from the University of Southern California.

Head of Adaptation Implementation and Water
United States
Amanda Ikert

Amanda Ikert (“Mandy”) serves as Head of Adaptation Implementation at C40. In this position she is responsible for supporting cities as they work to meet their climate change adaptation and water management goals.

Before taking on this role, Mandy served as the City Director for Jakarta at C40 where she worked closely with the Governor and regional government of Jakarta to identify, develop and implement programmes and projects to reduce greenhouse gas emissions. Before joining C40, Mandy was a city planner in New York, serving in both NYC’s City Planning and Parks and Recreation departments.

She has a research background in urban and architectural history as well as international environmental programming, including projects with the Asia Foundation and the Aga Khan Trust for Culture. Mandy holds a Master of City Planning and a Master of Science in Architectural Studies from MIT and a BA in History from Wesleyan University.