Managing Director, Climate Action Implementation
United States
Aditi Maheshwari Managing Director of Climate Action Implementation

Aditi Maheshwari has been addressing climate change from both a public and private sector perspective for over 20 years. She currently serves as the Managing Director for Climate Action Implementation at C40, where she leads new programme design and delivery and funder engagement for major urban climate action programmes spanning multiple regions and sectors. Her remit also covers the management of existing programmes, including the Cities Finance Facility, Laneshift and UCAP CAI.

She was previously part of the leadership team of IFC’s Climate Business Department, where her areas of focus included sustainable cooling and decarbonisation of heavy industries. Prior to this appointment, she was the Director for Climate Action in the UN Secretary General’s Executive Office. Aditi’s role there was to lead stakeholder engagement to advance climate action in key sectors and deliver on coalitions and initiatives launched at the Climate Action Summit in 2019, prioritising energy and industry transition, cities, transport, resilience, and nature-based solutions.

Preceding this she was a Senior Operations Officer at IFC, mobilising private capital for climate investments in developing countries. She led initiatives to promote private sector investment aligned with national climate plans, and supported businesses to manage carbon risks and capitalise on opportunities. Her publication credits include co-authoring IFC’s Green Buildings: A Finance and Policy Blueprint for Emerging Markets and leading IFC’s flagship report on Climate Investment Opportunities in Cities. Aditi has held other climate and clean energy-related roles at the World Bank, DFID and the South African National Treasury while on an ODI Fellowship. She holds an MSc in Environmental and Resource Economics from University College London.

Chief Financial Officer
United Kingdom

Rachel serves as the Chief Financial Officer at C40, overseeing financial management, operations and compliance for C40, as well as the strategic financial planning process. As part of the Management Team, Rachel’s role is to help optimise C40’s impact by bringing data-driven, actionable insights to ensure the responsible use of funding to support our missions.

Before joining C40, Rachel held leadership roles in both the commercial and Not for Profit sectors in the UK and the US. Rachel has worked for organisations such as Diageo plc, Kao Corporation, Cambridge University and Boys & Girls Clubs of America. 

CIMA qualified with over 15 years experience in senior finance roles at the global, European, and national levels, Rachel has also been an examiner and author for several Chartered Accountancy bodies.

Regional Director, Africa
South Africa

As C40’s Regional Director for Africa, Dorah leads C40’s work in the African region through cooperative engagements with city leaders and teams to accelerate the implementation of their climate change programmes.

Dorah is a sustainability enthusiast with over 26 years of experience in areas such as environmental sustainability, international diplomacy, government (local, regional and national) as well as industry associations.

She was the inaugural Chief Executive Officer of the South African Paper and Packaging Producer Responsibility Organisations Alliance (PRO Alliance), tasked with conceptualising and implementing joint extended producer responsibility programmes with and on behalf of member PROs. Her other executive role was Chief Executive Officer of the Green Building Council of South Africa, where she led the green transformation of the built environment sector through numerous green building certification tools and programmes. She also served as the chairperson of the World Green Building Council’s Africa Regional Network, with a key role of coordinating, consolidating, and stimulating the development of Green Building Councils across the African Continent.

Dorah also held the position of Head of Sustainability at the City of Tshwane, where she conceptualised and implemented groundbreaking city sustainability programmes. Dorah’s tenure at the National Environment allowed her to develop and refine her environmental diplomacy skills through her leadership roles in the then United Nations Commission on Sustainable Development processes, which included the Rio+20 in 2012. Dorah is proud to have led the development of the environment sector green economy response programme, including the establishment of the national green fund.

Co-Managing Director, Global Covenant of Mayors for Climate and Energy

Andy is the Co-Managing Director of the Global Covenant of Mayors for Climate and Energy (GCoM).

Previously he held the role of the Director of Strategy and Operations at GCoM, guiding program delivery across multiple areas of activity. Immediately prior, Andy was Policy Coordinator for Climate Alliance, where among other projects, he was project technical coordinator for the series of EU Sustainable Energy Investment Forums.

Andy has worked for 20 years across a range of environmental protection issues focusing on climate change, energy and air quality in local, regional and central government, academia and NGOs. He has been part of and led major initiatives on city carbon reduction strategies, community energy, large-scale home retrofit financing, household energy-saving behaviour, and air pollution assessment and management.

Andy has a BSc in Geography and Environmental Studies from the University of Surrey Roehampton Institute and an MSc in Applied Meteorology and Climatology from the University of Birmingham.

Managing Director, Regions and Mayoral Engagement, and Regional Director, South and West Asia

Shruti Narayan is the Managing Director of Regions and Mayoral Engagement. Shruti previously served as C40 Regional Director for South and West Asia. She is based in New Delhi, India, and works closely with city leadership to sustain and scale up C40’s regional efforts.

Before this she was an Upstream Officer with the International Finance Corporation’s (IFC, World Bank Group) Asia Pacific Cities Platform and has also led the IFC’s Green Building programme in South Asia. Shruti has almost 20 years of global work experience specialising in energy efficiency and sustainability. Her work experience also includes Will Alsop Architects in London, Arup in San Francisco and USAID ECOIII in New Delhi, where she has worked with diverse clients such as corporates, developers, institutions, policymakers and donor agencies to identify, design, incorporate and implement sustainable solutions with the goal of reducing resource consumption and maximising efficiency.

In addition, she has also been a faculty member in sustainable design with educational institutions globally, such as Stanford University, USA, California College of Arts, USA, and the School of Planning and Architecture in India.

Regional Director, East, Southeast Asia and Oceania, and Global South Diversity Lead

Milag San Jose-Ballesteros serves as the Regional Director for East, Southeast Asia and Oceania at C40. In this role, she is responsible for engaging and supporting C40 member cities in the region as well as facilitating collaboration between cities across the global C40 network. Central to this is working with C40 cities across the region towards ambitious commitments and transformative actions to address climate change. Milag has more than 20 years experience working on environmental governance and policy, natural resources management and sustainable development. Prior to joining C40, Milag served as Regional Environmental Governance Specialist with the Environmental Cooperation-Asia (ECO-Asia) program of the United States Agency for International Development (USAID), where she led programmatic partnerships between national and sub-national environmental agencies, and provided technical support to pilot initiatives covering topics including urban environmental issues, compliance and enforcement mechanisms, climate co-benefits and public participation. In this capacity, she worked with 16 countries across Asia and coordinated engagements with various organizations and partners including the US Environmental Protection Agency, the World Bank, Asian Development Bank and the UN Environment Programme. Prior to this, she previously served as a Senior Program Officer with the US-Asia Environmental Partnership promoting clean technology, and as Executive Director of the Philippine member of Friends of the Earth International. A native of Manila, Philippines, she has been based in Singapore since 2008.

Deputy Executive Director
United Kingdom

Dr Kevin Austin serves as C40’s Deputy Executive Director. Kevin oversees all of C40’s programme delivery, operations and finance functions as well as contributing to global thought leadership and innovation in urban climate change issues. Kevin joined C40 from the Greater London Authority where he was responsible for External Relations for the Mayor of London. His previous role at the GLA included Head of Olympic projects, leading the delivery of the major city-related elements associated with the London 2012 Olympic and Paralympics Games. Between 2002 and 2009 he served as Head of Transport, advising the Mayor of London on all aspects of transport policy. In earlier years he worked for a major consultancy advising clients on project implementation and economic appraisal He has a Masters in Transport Planning and a Doctorate in Civil Engineering from Leeds University.

Regional Director, North America
United States

Laura Jay serves as Regional Director for North America at C40 Cities Climate Leadership Group. In this role, she works with C40’s 17 cities in the US and Canada to help advance climate actions, from policies to mitigate emissions to strategies for adapting to climate impacts. Previously, Laura served as the Deputy Regional Director for North America as well as the Land Use Planning Network Manager at C40. Prior to joining the C40, Laura served as a Project Manager at Terrapin Bright Green where she consulted to government agencies, developers and non-profits to create more sustainability policies and designs. She has also worked at the U.S. Green Building Council on governance and strategic planning. Laura has a Master’s degree in Urban Planning from Columbia University in New York and a Bachelor’s degree from Wheaton College in Massachusetts.

Managing Director, Corporate Services
United Kingdom

Juliette Carter serves as Corporate Services Managing Director for C40 and is responsible for the effective running of the organisation through C40’s finance, HR, legal and IT functions. Juliette previously worked at the Greater London Authority where she was the lead on HR and organisational development, supporting the organisation through two changes in political leadership. Whilst working in City Hall, she had accountability for HR, resourcing, internal communications, project management, learning and organisational development teams. Juliette also worked with C40 whilst on secondment from the GLA to develop the in-house HR function and support the implementation of the City Adviser programme. Before working at the GLA, Juliette was Director of HR and in a variety of HR roles in the National Health Service. Juliette completed her BA in Literature and French at King’s College London. She has a Master in Human Resource Management and a postgraduate certificate in employment law.

Regional Director, Europe

Júlia López Ventura is C40 Cities’ Regional Director for Europe since 2015. Her work focuses on supporting top political decision makers to fight climate change in global megacities, from mitigation of greenhouse gas emissions to adaptation to the already present climate change effects, as well as the regional coordination of city diplomacy work to influence climate policy of supranational actors like the UN or the European Commission. Before joining C40, Júlia worked for over a decade for the city of Barcelona, including the IT International Office, which she headed from 2013-2015. She helped Barcelona develop collaborative relationships with institutions such as the European Comission and the World Bank, and she developed an international urban knowledge transfer strategy by co-leading Barcelona’s candidacy for the first European Innovation Capital (which Barcelona won). Júlia has lectured at several universities, including the Polytechnich University of Catalonia Foundation in Barcelona and the IE Business School in Madrid, with courses on City Strategy and Governance. She is a fluent speaker of English, French, Spanish, Italian and Catalan and holds an MSc in Telecom engineering from the Polytechnic University of Catalonia and Master’s Degree in Sociology from UOC in Spain.

Regional Director, Latin America

Ilan serves as Regional Director for Latin America, after having worked as Deputy Regional Director and C40 City Adviser to Rio de Janeiro, helping the city implement its climate action plan in multiple areas and setting the first sustainability office in Latin America. Ilan successfully launched the C40 Clean Energy Network, which now has over 30 cities from various C40 regions.

Ilan previously worked at the China-Brazil Center for Climate Change, where he worked with government agencies, energy companies and NGOs in bilateral projects related to biofuels, clean energy innovation policies, electric vehicles and carbon capture and storage.

Ilan holds a BA in International Relations from PUC-RJ and a Master’s degree in Environment and Development from the London School of Economics.

Managing Director, C40 Centre for Urban Climate Policy and Economy

David Miller is the Managing Director of the C40 Centre for Urban Climate Policy and Economy.

Mr. Miller was Mayor of Toronto from 2003 to 2010 and served as Chair of C40 Cities from 2008 until 2010. Under his leadership, Toronto became widely admired internationally for its environmental leadership, economic strength and social integration. He is a leading advocate for the creation of sustainable urban economies.

Mr. Miller has held a variety of public and private positions and served as Future of Cities Global Fellow at Polytechnic Institute of New York University from 2011 to 2014. He has an Honorary Doctorate from the University of Waterloo in Environmental Studies, an Honorary Doctor of Laws from York University and is currently Executive in Residence at the University of Victoria. He is the author of ‘Solved, how the great cities of the world are fixing the climate crisis‘, (University of Toronto Press).

David Miller is a Harvard-trained economist and professionally is a lawyer. He and his wife, lawyer Jill Arthur, are the parents of two children.

Managing Director, Inclusion and Global Leadership

Caterina Sarfatti is C40’s Managing Director for Inclusion and Global Leadership. As such, she oversees C40’s inclusive climate action and external engagement teams, driving C40’s work to build public support and social licence for urban climate action through programmes on equity and inclusion, global advocacy and campaigns.

She previously served as Director of C40’s Inclusive Climate Action programme, which provides mayors and local administrations with support to plan, build consensus and deliver bold climate action that is equitable and beneficial for all. The programme deals with the links between the climate crisis and social justice in cities. Before joining C40, Caterina worked in the City of Milan, where she served as a policy advisor at the Mayor’s Office, in the International Relations Department. Caterina led and coordinated EU projects and city diplomacy initiatives on smart cities and environment, social innovation and social cohesion, migration and integration.
Prior to this, Caterina collaborated with human rights NGOs such as the International Federation for Human Rights (FIDH) in Paris and the Italian Council for Refugees (CIR) in Rome. Caterina is an ad honorem member of the Italian NGO CESVI and sits on the Scientific Committee of the Italian Climate Network association. She is the author of several articles and editorials on climate change, smart cities and human migrations.

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.

Managing Director, Governance and Executive Engagement
United Kingdom

Anna serves as the Managing Director of Governance and Executive Engagement. Anna supports the Executive Director and oversees relationships with key C40 strategic funders. In particular, she provides support to the Executive Director in managing the Board of Directors, supporting the C40’s Chair’s Office functions and managing the Governance and Fundraising teams. Before joining C40 in 2015, Anna spent seven years living and working in East Asia, including Hong Kong, Beijing, and Chengdu. Prior, Anna worked in the Mayor of London’s Office for the climate change and sustainable transport adviser, and was part of the team who developed London’s first Climate Change Action Plan. Anna holds a BA in Philosophy and Political Science from the University of Birmingham, UK and is learning to speak Mandarin Chinese.

Regional Director, East Asia (China)

Boping is the Regional Director for East Asia (China) of C40. She is responsible for leading C40’s work in China to support Chinese member cities to further advance their climate ambition and lead the transition towards an urban ecological civilization.

Before joining C40, Boping was the China Director of the World Future Council (WFC) and helped WFC to establish and develop its office in China. Previously, she was the Director of Policy and International Strategy of WWF China, leading WWF China’s policy research and advocacy work to influence China’s high-level policy framework for stronger environmental targets in its development policy. Earlier in her career, Boping had experience with both private sector and government programs. She provided consultancy on climate change and renewable energy for investments in China, served for Dexia bank on public and project finance and started her career with the EU-China Natural Forest Management Project under the State Forestry Administration of China, which inspired her to pursue a career in sustainable development.

Executive Director
United Kingdom
Mark Watts, C40 Executive Director

Mark’s aim as Executive Director is to ensure that C40 Cities is equally focused on science-based climate action and political leadership for climate justice. C40 has grown dramatically in scope and ambition under Mark’s tenure and its 300 staff now support nearly 100 of the world’s leading cities, representing around 700 million residents.

Mark has been named one of the world’s most influential leaders driving climate action as a ‘defender’ by TIME as part of its inaugural TIME100 Climate list. Prior to joining C40 Cities, Mark was a director at pioneering engineering and design firm Arup; and previous to that role, he was a senior adviser to the Mayor of London. Outside of work, he can usually be found either up a mountain or proclaiming the discovery of a great new band.

Managing Director, Climate Finance, Knowledge and Partnerships
Picture of Andrea Fernández

Andrea Fernández serves as C40’s Managing Director of Climate Finance, Knowledge and Partnerships. Andrea is responsible for overseeing C40’s Climate Finance, Business Engagement and Knowledge and Learning programmes, as well as C40’s engagement in the Urban Shift Programme. She also drives new strategic priorities and partnerships.

Previously, Andrea worked in the World Bank’s Private Sector Development Department for five years, where she delivered investment appraisals and technical assistance for public enterprise reform and infrastructure projects in emerging economies. Andrea has a Bachelor’s degree in International Business and Economics from Concordia University and an MBA with a finance specialisation from Duke University’s Fuqua School of Business.