Head of City Diplomacy and Advocacy
Brazil

The Head of City Diplomacy and Advocacy is a senior member of the Inclusion and Global Leadership department that directly supports and advises the Director of Advocacy, Campaigns and External Engagement. Specifically, the Head oversees diplomatic engagement of mayors and advocacy opportunities at the global and multilateral level with a focus on priority processes, including the COP and Urban 20 initiatives. The role is critical in ensuring coherent messaging and engagement at the highest level with politicians, global public figures and key UN and governmental stakeholders – consistent with C40’s broader External Engagement strategy and our multi-faceted stakeholder mobilisation and influence tactics.

Prior to joining C40, Marina worked as a Climate Policy Portfolio Coordinator at the Institute for Climate and Society, where she was responsible for engaging Brazilian governors, mayors and parliamentarians in the climate agenda. Marina was a visiting scholar at Columbia Law School where she did part of her PhD in the Environmental and Energy Program. Marçal holds a Master’s degree in Sociology and Law from Fluminense Federal University, and in Ethnic and Racial Relations from the Federal Center for Technological Education of Rio de Janeiro.

Campaigns Project Manager
United Kingdom

Veronica Sabino has joined C40 as the Campaigns Project Manager in the Inclusion and Global Leadership department. She has extensive experience in project design, management and coordination, working in multicultural and complex global environments. She is based in London.

Prior to C40, Veronica worked at Amnesty International for 8 years, providing project management support across several departments. In her last role as Senior Executive Coordinator, she was responsible for coordinating, advising and enabling the strategic and operational agenda of the Secretary General and Leadership Team, as well as advancing critical projects of organisational priority. 

Originally a sinologist with a background in Chinese language and culture, Veronica holds a MA in International Studies and Diplomacy from the School of Oriental and African Studies, with a focus on international relations and human rights. 

Schools Reinventing Cities with Minecraft Manager
United Kingdom

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.

Policy Engagement Manager
United Kingdom
Lauren Sellers - C40 Policy Engagement Officer in Climate Finance, Knowledge and Partnerships

Lauren is C40’s Policy Engagement Manager within the Inclusion and Global Leadership team, working with C40’s research and campaigns teams to make C40’s knowledge products more impactful for targeted outreach.

Lauren holds an Erasmus Mundus Joint Master Degree in Environmental Science, Policy and Management. She conducted a research project on the landscape of Green New Deal advocacy in Europe to inform the Green New Deal Cities knowledge hub of the Global Center for Climate Justice. Her thesis focused on investigating the institutional capacity of a local council in the UK to deliver on the Green New Deal bill that had passed a council vote. Lauren holds a Biology BSc from The University of Sussex.

Head of Campaigns (Green Jobs and Green & Healthy Streets)
Italy

Alessio Baù serves as C40’s Head of Campaigns. He is a campaign and communications expert focused on public engagement, grassroots organising, digital media, creative content and social innovation, with experience both in the public and private sectors. He is also a C40 LGBTQIA+ staff representative.

Prior to joining C40, Alessio worked as Social Media Editor-in-Chief for the City of Milan, as Content Strategist and Campaign Manager for the Airbnb Policy & Communications team, and as a consultant for agencies, firms, electoral campaigns, and non-governmental organisations.

Alessio has a Bachelor’s degree in Humanities (University of Padova) and a first-level Master’s in Plants, Social Innovation & Design (University of Florence). He is a published author with a background in journalism, a board member of the Milan LGBTQIA+ association and passionate about rooftop gardening and train travel.

Director of the Co-Chair’s office – Diplomatic and International Relations
United Kingdom
Uma Kumaran - Senior Manager, Diplomacy for C40 Chair

Uma is a key connection point between C40 and the Co-Chair Office, and between the Mayor of London’s Office and the Mayor of Freetown’s office themselves as C40 begins a new leadership model for the organisation. Uma oversees the Co-Chair’s diplomacy strategies and manages all diplomacy-related communications between the Chair’s staff and C40 teams.

Uma leads on key diplomatic and stakeholder relationships on behalf of the Co-Chairs including those with the UN Secretary General’s Office and related UN departments. She works in close collaboration with C40’s diplomacy team to build strong relationships with international city networks.

Prior to joining C40 in 2022, Uma was Deputy Director of Parliamentary Affairs for the Leader of the Opposition in the UK and is experienced in high-level political advisory, having worked in Government and as Senior Advisor to the current Mayor of London. She has also led national political campaigns, including for general and local elections. Uma holds a Master of Science degree in Public Policy and a Bachelor’s degree in Politics.

Youth Engagement and Campaigns Manager
United Kingdom
Headshot of Earl Burgos

Earl is a Youth Engagement and Campaigns Manager at C40. He manages the ambitious initiatives of C40’s Youth Programme and supports the priority C40 missions, including the Good, Green Jobs mission. He manages the day-to-day operations of the C40 Youth Hub, C40’s platform for engaging youth climate leaders and supports Senior Campaign Managers in the delivery of various priority C40 missions, including by organising events, coordinating work across working groups, tracking progress, developing reports and presentations, managing partnerships and relationships with youth and civil society organisations.

He has been actively working in the field of urban sustainability for more than seven years. Before joining C40, Earl was a Senior Program Officer at the World Smart Sustainable Cities Organization (WeGO), where he led the implementation of its global programmes and activities. His work included organising conferences and forums with organisations like UN-Habitat and ITU, designing and organising capacity-building programs for city officials with institutions like the Seoul Human Resource Development Center and Metropolis, managing knowledge products, and helping organise feasibility study projects and project implementation programmes. He was also responsible for managing, engaging, and expanding WeGO’s global network of members and partners, producing various publications, as well as delivering presentations and moderating discussions in international forums.

Earl completed his Master’s in Regional and Urban Planning Studies at the London School of Economics and Political Science (LSE) and his Bachelor’s degree in Management from the Ateneo de Manila University.

Project Officer, Zero Emission Freight
United Kingdom

Naomi is the Project Officer for Zero Emission Freight, working to support the Programme Manager in network activities and Technical Assistance projects. Prior to joining C40, Naomi worked as a Research Assistant to an environmental consultant on food and agriculture policy in the UK, with a particular focus on agroecology and grasslands as a nature-based solution to climate change. Naomi holds an MSc in Environment and Development from the University of Edinburgh and a BA in English Literature and Spanish from the University of Birmingham. She is based in Edinburgh, Scotland.

City Diplomacy and Campaigns Manager, Climate and Migration
The Netherlands
Director, Inclusive Climate Action
United Kingdom

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).

Director, Political Strategy and Campaigns
United Kingdom

Donna Hume serves as Director of Political Strategy and Campaigns at C40. Prior to joining the C40, Donna was a Senior Campaigner at Friends of the Earth where she was responsible for leading the organisation’s climate change campaigning. She led a team of people that prevented any fracking taking place in UK for the past 6 years, including by securing moratoriums on fracking in Scotland and Wales, helped secure a commitment to UK coal power phase out by 2025, and worked with Friends of the Earth International on a global campaign to keep fossil fuels in the ground in 30 countries.

Prior to that Donna held a number of other roles at Friends of the Earth: on overseeing campaign strategy and development, and in the political, economic and energy teams. During that time she supported the set-up of the organisation’s air quality campaign, built a 200 organisation strong coalition of businesses and civil society to support clean energy, and led a successful campaign to secure ongoing UK Government support for the solar industry. She has also worked at the Environmental Justice Foundation on a global campaign exposing unethical practices in cotton farming. Donna has a Bachelor’s degree in History from King’s College London.

Managing Director, Inclusion and Global Leadership
Italy

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.

Climate Politics, Intelligence and Diplomacy Manager
United Kingdom

As Climate Politics, Intelligence and Diplomacy Manager, Casimir supports the City Diplomacy team through policy analysis, intelligence sharing, and engagement with external partners, including the International Climate Politics Hub and the 2050 Pathways Platform. Through this work, Casimir helps advance C40’s diplomatic goals of promoting a green and just recovery from COVID-19, enhancing global climate ambition, and building a coalition of cities committed to the principles of the Global Green New Deal. Prior to joining C40, Casimir worked as a Policy Analyst Trainee with the Multilateral Organization Performance Assessment Network at the Organization for Economic Co-operation and Development (OECD) in Paris, France, where he devised and piloted a new engagement strategy aimed at better understanding member states’ multilateral aid priorities. Casimir holds joint Master’s degrees in International Security and International Relations from Sciences Po’s Paris School of International Affairs and the London School of Economics and Political Science (LSE).

Senior Manager, U20 & G20 Engagement
United Kingdom

As Senior Manager in the External Engagement team, Alina is the C40 project lead for Urban 20, an initiative which brings cities together to elevate urban voices in the G20 ecosystem and beyond. Since leading the project in 2022, Alina has worked closely with Jakarta City Hall, Ahmedabad Municipality, and the city halls of Rio de Janeiro and São Paulo, as well as the G20 Indonesia, G20 India and G20 Brazil Presidencies. Before joining the U20 team, she managed the Cities Race to Zero campaign, a programme for cities committed to delivering climate action run by a coalition of not-for-profit partners.

Previously, Alina was Programme Coordinator with the Europe Programme at Chatham House, a leading international affairs think tank, where she supported the development and management of complex research projects. Her specific focus was on multi-partner initiatives. Among these, a project exploring the intersection of democracy and technology and a youth engagement project working to increase young people’s understanding of key policy issues across Europe and Africa. Alina also has previous professional experience in Brussels, including at the Strategy unit of the European Commission’s Directorate-General for Neighbourhood and Enlargement Negotiations (DG NEAR) and at the Eastern Partnership Civil Society Forum, a regional civil society organisation.

Alina graduated from King’s College London with a degree in European Studies and holds an MSc in International Relations from the University of Edinburgh.

Youth Engagement and Campaigns Manager
South Africa
Ahmed Mokgopo

Ahmed Mokgopo serves as Youth Engagement and Campaigns Manager at C40. In this role, Ahmed supports the development and implementation of C40’s Global Youth and Mayors Forum.

Before joining C40, Ahmed worked as a Campaigns Specialist at 350.org where he led the South Africa teams fossil fuel finance and divestment campaigns. There, he managed 350.org’s efforts in urging the City of Cape Town to commit to divest from fossil fuels. Following Cape Town’s announcement to divest from fossil fuels in 2017, Ahmed headed up the development and implementation of a public finance campaign advocating for South African Development Finance Institutions (DFIs) to commit to policy that would exclude fossil fuel financing. The campaign enhanced 350’s visibility amongst senior public finance officials through media, public mobilisation and direct engagement. Through this campaign, 350.org became a key partner in stopping the development of the Thabametsi coal fired power plant which was officially cancelled in November 2020.

Before 350.org, Ahmed was a research assistant at Itad an international development consultancy where he supported a global programme evaluating the role of markets in poverty reduction. Ahmed holds a Master’s in Globalisation, Business and Development from the University of Sussex and a Bachelor’s degree in Anthropology from the University of the Witwatersrand.

Head of Youth and Civil Society Engagement
United Kingdom
Aaron Kiely

Aaron Kiely is responsible for the development and implementation of C40’s new flagship Global Youth Initiative, working with C40 mayors and young activists to create a Global Youth and Mayors Climate Forum capable of building a shared agenda to drive forward climate solutions, and engaging youth leaders in urban climate action.

Prior to joining C40, Aaron co-led Friends of the Earth’s climate campaign in the UK. He worked to grow and empower a network of 200 activist groups to campaign for socially just climate action both locally and nationally. He was involved in the successful legal challenge to halt expansion of Heathrow airport, and has campaigned on air pollution and fracking. He played a leading role in organising the largest ever UK climate demonstration ahead of the Paris climate talks in 2015.

Previously Aaron was elected to represent 1 million students of African, Arab, Asian and Caribbean descent at the National Union of Students UK. Aaron organised inspiring and successful campaigns that dramatically increased the number of Black representatives in the student movement, effectively challenged racism and halted deportations of international students. Aaron also has experience in local government where he has served as an elected representative.

Aaron has a BSc in Sociology and Social Policy from London Metropolitan University.