Henry supports the delivery of the Climate Budgeting Programme at C40. He focuses on a variety of topics, including working with cities to advance adaptation efforts and supporting them in their GHG quantification efforts for enhanced measuring and reporting as part of their climate budgets.
Prior to life at C40, Henry worked as a consultant to develop climate action plans with governments of all levels across the world, estimate GHG emissions, and create policies for adaptation measures. He also served at an NGO with a focus on transparency and long-term pathways to reduce GHG emissions with state and regional governments.
Honorine works as a Benefits Research Senior Manager, exploring climate actions’ social and economic impact on communities. Over the past years, she has supported more than 40 cities in assessing the health and climate impact of urban projects, from school retrofits in Copenhagen to coal power transition in South Africa, and urban transport planning strategies in Latin American cities. Honorine has both an architecture and sustainable urban engineering education in France. She has questioned the interaction of health and sustainability at a building scale through her work in sustainable architecture firms in Taiwan and Rotterdam.
Huey is Head of Implementation for ESEAO (East, SEA and Oceania), where she oversees climate action mainstreaming and implementation for the region.
Before joining C40, her experience included leading the implementation of urban sustainability initiatives, including facilitating the entry of Kuala Lumpur into C40 at the highly successful National Transformation Program (NTP) of the Malaysian Government, where systemic transformation is materialised through co-creation of solutions and relentless recursive implementation efforts. She has also supported the development of Kuala Lumpur’s Climate Action Plan 2050, as well as developing C40’s ESEAO 2022-2024 Regional Business Plan. She led the advocacy work with the Government of Malaysia in accelerating EV adoption in Malaysia through 30 catalytic incentives, proposed to be financed through targeted fuel subsidy rationalisation, which has seen a 300% increase in EV adoption as an outcome.
Huey completed her MSc Sustainable Cities at King’s College London on a UK Government Chevening Scholarship and holds a Bachelor of Science (Psychology and Genetics) from the University of Melbourne, Australia. She is a YSEALI Professional Fellow alumnus and is fluent in 6 Asian & European languages, contributing greatly to cross-cultural understanding, which is crucial for team and stakeholder influencing.
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.
Idan Sasson is a Senior Manager for the C40 x GCoM Joint Program, where he is focused on the Subnational Climate Action Leadership Exchange (SCALE). Prior to joining C40, Idan was responsible for global urban climate finance programs at CDP and the Cities Climate Finance Leadership Alliance, advancing climate infrastructure projects towards implementation at scale.
Idan has worked extensively with cities around the world on urban sustainability and resilience issues, having worked at Rebuild by Design – 100 Resilient Cities, and the New York City Department of Park and Recreation on strategies for inclusive community and stakeholder engagement to address climate-related challenges. Idan holds a Master’s Degree from the London School of Economics and Political Science in Environment and Development and a B.A. from NYU’s Gallatin School in Sustainable Urban Development.
Inés serves as Senior Manager, Climate Action Planning, within the Measurement and Planning Team. In this role, she provides expert assistance across the climate action planning process in Africa, China, Latin American and South East Asia, and works to develop essential resources, trainings and workshop materials. She joined C40 in mid 2016. Prior to her current role, Inés was City Adviser for Buenos Aires and before that she served as Project Manager for the Technical Assistance Programme as well as Programme Manager for the Climate Action Planning Latin America Programme. Prior to joining C40, Inés was part of Buenos Aires Environmental Protection Agency serving as the city´s Climate Change coordinator, responsible for climate action plan development process, from the GHG Inventory development and climate hazards identification, towards target setting and strategic planning towards the development of the city´s Climate Change Action Plan 2010-2030 (launched in 2009 and updated in 2015). She managed and coordinated the interaction with different stakeholders and has been the technical liaison for the city over the years in the different international networks, and the local focal point with the national government. Inés studied environmental science in Buenos Aires, and she speaks Spanish and English fluently.
Ingrid serves as Director for the C40 Cities Finance Facility (CFF), leading the CFF C40 team of this UNFCCC award-winning project preparation facility, which is delivered with C40 partner GIZ.
Previously, Ingrid was Head of the Climate Action Planning South East Asia. In this role, she was responsible for leading the climate action planning of South-East Asian cities of C40 to align their climate action programs with the Paris Agreement to be carbon neutral by 2050.
Before joining C40, Ingrid worked for Mott MacDonald where she led their Cities Practice in the Middle East, helped establish their Cities Practice in Southeast Asia and provided advisory services on infrastructure investment with a particular focus on public-private partnerships. She has worked on a multitude of project finance deals globally across a wide range of sectors and on many strategic master-planning advisory assignments.
Ingrid was selected as part of Belgium’s 40 under 40, a prestigious initiative that puts forward 40 diverse, talented young leaders committed to making a positive societal impact.
Ingrid holds a Master’s in engineering-architecture, with a specialisation in urban development from KU Leuven in Belgium, and is also a certified APMG PPP professional (fellow).
Irene Skoula serves as the Director of Energy and Buildings team at C40. Her work supports C40 cities in transitioning away from fossil fuels, carbon-intensive materials and into renewable energy and green buildings solutions. The Energy & Buildings programme helps cities to accelerate decarbonization of buildings, clean up their energy supply and reduce emissions from the construction sector, whilst creating healthier, more resilient environments for all.
Irene has been with C40 since 2015. 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, while acting 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 City’s first GPC-compliant GHG inventory and the first 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 local governments in Europe supporting the development and implementation of their sustainable energy action plans.
Irene holds a Bachelor’s degree in Physics from the National and Kapodistrian University of Athens, and an MSc in Environment and Sustainable Development from the National Technical University of Athens (NTUA).
Irma Carranza serves as Regional Officer. In this position, she provides administrative support to the Director of Initiatives and Regions, the Regional Director of Latin America, and the Regional Director of North America. Before joining C40 Cities, Irma was a partner in the City of Santa Monica’s Cradle to Career Initiative looking at and measuring youth well being. Prior to this, she worked at the Los Angeles Alliance for a New Economy as an organiser working to bring good jobs into underserved communities. Prior to LAANE, she worked over ten years in several clerical and administrative support roles with the City of Santa Monica, including serving the Civil Engineering and Architecture Division staff. Irma attended Santa Monica College and Los Angeles Trade-Tech.
Isabel is a Programme Management Officer at C40. She supports all functions of the Programme Management Office (PMO), including the Annual Report, Programme Review Board, quarterly grant reporting, and grant health checks. She also plays a key role in annual planning and coordinating the Community of Practice for the organisation’s project managers.
Before joining the PMO team, Isabel was part of the CHAMP (Coalition for High Ambition Multilevel Partnerships) team at GCoM and C40. Originally from Mexico and currently based in Brussels, she has over four years of experience working across the public sector and with environmental NGOs, with a focus on supporting local and regional governments on sustainability and climate initiatives.
Isabel holds a Master’s degree in Environmental Management and Policy from Lund University and a Bachelor’s degree in International Relations.
Serving as Senior Manager for Transport Finance at C40 Cities, Isabela Castro supports the organisation’s global transport finance portfolio, helping cities access and mobilise resources to implement high-impact climate actions in the transport sector.
Previously, she worked as a consultant for the United Nations Environment Programme (UNEP), where she was responsible for the development of the Cities Sector Plan under Brazil’s Climate Plan — the national climate change mitigation strategy of the Brazilian Government. She also served as Urban Mobility Coordinator for the Municipality of Fortaleza, leading the city’s cycling policy (with support from the Bloomberg Initiative for Cycling Infrastructure), public transport improvement projects, and financing strategies for public transport electrification and transport infrastructure projects, focused on promoting more sustainable urban mobility standards.
Isabela also worked as Project Manager and Contracts Coordinator at Grupo CERTARE, leading a wide range of urban projects and studies — including urban mobility plans, urban regeneration projects, transport decarbonization studies, and public transport improvement initiatives — primarily for public-sector agencies and multilateral development banks.
Isabela holds a degree in Architecture and Urban Planning from the Federal University of Ceará and a Master’s in Transportation Engineering from PETRAN (Graduate Program in Transportation Engineering) at the Federal University of Ceará, where she is currently pursuing a PhD in Transportation Engineering within the research line of Transportation Systems Planning and Operations. During her undergraduate studies, she undertook an academic exchange program at the University of Granada and was awarded a one-year scholarship through the Brazilian Government’s Science Without Borders program at the University of Sydney.
Isabella Gelfand is a Priority Initiatives and Events Manager at C40 and the Global Covenant of Mayors (GCoM). She works supporting the delivery of C40 and GCoM’s leadership priorities through priority initiatives and milestone events. Isabella’s role sits at the intersection of strategy and execution, ensuring that governance, operational logistics, and on-site execution are embedded consistently across initiatives and organisational processes.
Prior to this role, Isabella was a Senior Associate at Freedman Consulting, where she led high-impact convenings for philanthropic, government, and nonprofit leaders. Her experience also includes managing multi-million dollar public-private partnerships and interfacing with senior government offices to drive long-term stakeholder engagement. She has a background in policy research, legislative affairs, and political campaigns.
Isabella holds a Bachelor of Arts in Political Science and Religion from Wellesley College.
Isabelle is the Schools Reinventing Cities with Minecraft Manager within C40’s Urban Planning and Design team.
In this role, she works closely with cities and Minecraft Education to launch the first year of the Schools Reinventing Cities competition, which aims to empower young people to find tangible solutions for a more sustainable and resilient urban future. Solutions from this competition will be created within a virtual Minecraft representation of each city.
Prior to C40, Isabelle was working as an urban researcher at the Mori Memorial Foundation Institute for Urban Strategies in Tokyo. She holds a Bachelor’s degree in Geography [International] from the University of Leeds and a Master’s degree in International Planning from UCL.
Iyad Kheirbek is the Senior Director for Mitigation and Air Quality at C40 Cities, where he oversees global technical and policy teams working to accelerate climate action across Air Quality, Transport, Energy & Buildings, and Ports & Shipping. He brings more than two decades of experience in environmental policy, public health, and urban sustainability, with a focus on connecting urban climate action to improved public health outcomes for city residents.
Previously serving as C40’s Director of Air Quality, Iyad led the establishment and growth of the organisation’s clean air, and ports and shipping portfolios. This includes the C40 Air Quality Network, the Breathe Cities partnership, and C40’s efforts to advance green shipping corridors.
Before joining C40, Iyad served as Executive Director of Air Quality at the New York City Department of Health, where he led the United States’ largest ongoing urban air monitoring network and helped shape policies that significantly improved citywide air quality. His work contributed to regulations on heating oil emissions and commercial cooking operations, the development of sectoral climate action plans, updates to the citywide air pollution control code, and supported the city’s sustainable transportation agendas. He received the agency’s Distinguished Service Award for his contributions to environmental health.
Iyad holds a BA from Tufts University in Chemistry and Environmental Science and an MS in Environmental Health from the University of Washington.
Jacqueline serves as Manager, Regions & Mayoral Engagement. 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.
.
Jana plays a central role in supporting the Regions & Mayoral Engagement Managing Director and the wider team through mayoral engagement coordination, geopolitical analysis, mayoral policy priorities, and strategic thinking. She helps ensure that regional context and mayoral priorities are reflected across the organisation for a high-impact and regionally aligned delivery of C40 work.
Previously at C40, Jana helped build the new Business Planning & Reporting Department to streamline the organisation’s data frameworks and coordinated the Deadline 2020 Programme. She also managed strategic funding relationships and fundraising. She has held other roles in the Regions and Global Initiatives teams where she contributed to the delivery of major C40 events, including the past three C40 Mayors Summits, helped produce sectoral Good Practice Guides, assisted with C40 workshops, and strengthened engagement with Chinese cities and partners.
Jana is a double MSc graduate from the London School of Economics and Sciences Po Paris, including a year at the University of California. Before joining C40, Jana worked at the Grantham Research Institute on Climate Change and the Environment, London, where she co-authored the 5th edition of the Global Climate Legislation Study. Jana is proficient in English, French, Mandarin, Spanish, Czech, Russian, and Slovak.
Jane serves as Finance Assistant in C40’s Corporate Services team, supporting the accounts, payment processes and more. She is based in Cambridge, UK and previously served as a Finance Assistant at JDR Cables Ltd. Jane has 5 years experience working in Finance and prior to that, 2 years managing her own business. She plans to begin studying for her AAT accounting qualifications in 2023.
Janki Rajpura is the Head of Programme Management Office at C40. She ensures robust project management practices and sufficient staff capacity across the organisation, including planning, reporting and risk management.
Before joining C40, Janki was a Senior Project Manager for international development research and evaluation projects across various thematic areas, including investment in cities, girls’ education, economic growth, livelihoods and violence against women and girls.
She is a PRINCE2 Practitioner, with an MSc in International Development (Conflict, Security and Development) and a BSc in International Business and Modern Languages (French).
Jasmine is the Knowledge Officer for the C40 Cities Finance Facility (CFF), a joint initiative of C40 Cities and GIZ. In this role, she supports the development and implementation of capacity development activities to empower city officials to plan and finance sustainable and equitable infrastructure projects. This includes supporting the delivery of the City Academy on Finance and Equity (CAFE), facilitating peer-to-peer exchanges, and coordinating technical support for inclusive climate action.
Prior to joining C40, Jasmine worked at the Commonwealth Secretariat, supporting the delivery of a sustainable land management programme. She has held further positions at climate- and science-focused NGOs and think tanks, including Wissenschaft im Dialog and Sense about Science. She has also published research exploring how cities envision climate-neutral futures.
Jasmine joined C40 in 2025 as an intern in the Inclusive Climate Action team. She holds an undergraduate degree from UCL and an Erasmus Mundus Joint MSc in Environmental Science, Policy and Management.
Jazmin Burgess is C40’s Director for Inclusive Climate Action where she manages the team and strategic direction of C40’s work with cities on equitable, inclusive and fair responses to the climate crisis- including city policies and programmes, peer-to-peer learning, mayoral advocacy and leadership, and data and research. Jazmin has held previous roles at C40 as Deputy Director for Inclusive Climate Action and Head of the Global Green New Deal Initiative. Before joining C40, Jazmin worked for four years at City Hall in London for current C40 Chair Mayor Sadiq Khan as Head of Climate Change Mitigation, and as Senior Adviser to the Deputy Mayor for Environment, Shirley Rodrigues. Before City Hall, she spent eight years at the United Nations for UNDP and UNICEF on development and climate approaches at the country and HQ level in London, Hanoi, Geneva and New York where she worked on the process to negotiate and deliver the Paris Agreement, with particular focus needs of Global South countries.
Jazmin started her career working for the UK Government on refugee and migrant policy and at Amnesty International on gender campaigning. She holds a diploma in Climate Diplomacy awarded by the UN, an undergraduate degree in Sociology and a Master’s in International Development from the London School of Economics and Political Science (LSE).