Stephen Green serves as the Senior Manager of IT Systems & Projects at C40. His focus is to identify and research important technology projects for the organization and then develop and execute related plans. Additional responsibilities include reviewing IT inventory needs, facilitating weekly IT training sessions and monitoring and proactively managing the organization’s computers and phones. Stephen also supports implementing and maintaining security procedures as well as departmental processes and policies.
Prior to joining C40, Stephen worked at the Genius Bar for Apple for nearly six years and was a Genius in the London Covent Garden store for nearly two years. After Apple Retail, Stephen joined an Apple Mac-managed service provider in London, where he supported and serviced the IT of a dozen different businesses across central London, both remotely and on-site. Stephen graduated from the University of Portsmouth with a BA in Film Studies and Entertainment Technology.
Rendro serves as Regional Senior Programme Manager in SEA for C40’s UCAP Climate Action Implementation (CAI) Programme. Rendro works closely with the Head of Implementation, C40 City Advisers and other team members, and external consultants to develop and deliver the varied technical assistance programmes and training to enable and support C40 cities in Southeast Asia to implement their climate action plans.
Before joining C40 in 2023, Rendro spent nine years working at Green Building Council Indonesia, leading the team to carry out market transformation regarding green buildings, and reducing GHG emissions in buildings. Rendro holds a Bachelor’s degree in Physics Engineering from Sepuluh Nopember Institute of Technology in Surabaya, Indonesia.
Suriya serves as Contracts and Procurement Manager for C40’s UCAP CAI Programme. Before joining C40, Suriya was Grant Coordinator for the Tropical Rainforest Conservation and Research Centre Malaysia, coordinating budgets and teams across South East Asia for the EU-funded Sustainable Use of Peatland and Haze Mitigation in ASEAN project. Working towards collective actions and enhanced cooperation among non-state actors to improve sustainable peatland management. Prior to that, Suriya was the Project Development Officer at the USAID-funded Malaysia Reform Initiative, encouraging civic participation in Malaysia’s democracy and governance.
She previously worked in construction consultancy in Malaysia and Singapore, specialising in public sector projects. At Arcadis, Suriya provided cost and contract management for public sector housing in Singapore. Suriya holds a Master’s degree in Public Policy from the National University of Singapore and a Bachelor’s degree in Quantity Survey from Universiti Sains Malaysia.
Tawanda serves as the Technical Adviser (Waste) for C40’s UCAP Climate Action Implementation (CAI) Programme in Africa. In this role, he provides technical assistance to the C40 cities of Accra, Addis Ababa, Dar Es Salam, Johannesburg, Lagos, Nairobi and Tshwane in implementing plans in line with the Paris Agreement.
Prior to joining C40, Tawanda worked for the GreenCape Sector Development Agency in South Africa, as an Expert Analyst (Circular Economy). His focus ranged from the development of Decision Support Tools aimed at encouraging municipalities in taking a systems approach for the development of integrated waste management; assisting municipalities and the private sector with navigation of the legislative environment for the development of waste projects; conducting material flow analyses in order to identify opportunities for circular economy interventions. In addition, he facilitated engagements between the City of Cape Town and Producer Responsibility Organisations in an effort to synergise efforts for diversion of waste, and support integration of the informal sector as the Extended Producer Regulations came into effect.
His experience also included working on the Digital Global Biogas Cooperation (DiBiCoo), aimed at supporting the development of biogas projects by linking European technology providers with emerging and developing markets – focusing on Argentina, Ethiopia, Ghana, Indonesia and South Africa.
Tawanda holds an M.Sc and B.Sc in Chemical Engineering from the University of Cape Town, where he focused on biodiesel production, and Fischer-Tropsch process for chemical production from syngas (carbon monoxide and hydrogen).
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.
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.
Tia Schwab is the Senior Manager of US Food Systems at C40, working with a cohort of US cities to improve food procurement and reduce food waste.
Prior to joining C40, Tia was a policy advisor at the NYC Mayor’s Office of Food Policy, managing the city’s Good Food Purchasing initiative and supporting the climate and environment portfolio. Before that, she worked in Washington, DC, advancing campaigns for nutrition security at the Center for Science in the Public Interest and supporting strategic communications and development at Grantmakers In Health.
Tia holds a Master’s degree in food and agriculture law and policy from Vermont Law School and a Bachelor’s degree in human biology focusing on food systems and public health from Stanford University.
Tibebu has a total of 13 years of work experiences. He served as an instructor, program coordinator, and consultant in government and non-government institution in Ethiopia. He has worked in partnership with government ministries and international partners such as WRI, UNDP and IIED.
Prior to joining C40, he worked as Climate Change Expert for Echnoserve Consulting – a locally renowned environment and climate change consultant company. While with the consulting company, he assisted a diverse client base in providing advisory services and solution in the area of climate change. One of the well-known projects he has worked on include the development of the Addis Ababa GHG Inventory Report in 2012 using the GPC. This report was done in partnership with WRI and he worked in collaboration with a Technical Working Group comprising representatives from various sectors. During this time, WRI also gave three on-site capacity building training and follow-up webinars.
He also served as a consultant at UNDP in the preparation of climate change adaptation scale-up investment plans for 150 districts in Ethiopia.
Tibebu is an art and nature enthusiast but in his spare time, he also likes reading and spending time with family and friends.
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.
Urmila Sudhindra is the C40 Regional Officer for the South and West Asia region, and is based in Bengaluru. Urmila joined C40 after working as a Reporting and Documentation officer at Samarthanam Trust for the Disabled where she was responsible for the education department. She has also worked with other organisations like Medecins Sans Frontieres and KHUSHII. She has a Masters and Bachelors in Psychology from the University of Stirling and Birmingham. She is passionate about community well-being. In her free time, she enjoys travelling, cooking, trying new hobbies and spending time with her family.
Vanesa is responsible for the administration and management of restricted fund grants, ensuring that compliance is met and robust systems and processes are in place. Vanesa was recently Finance and Operations Manager at Pro Bono Economics, a charity helping other charities to understand and improve their impact. Prior to this she was Finance and Operations controller at Trillion Fund, a loan based crowdfunding platform for renewable energy projects. She has also worked at IDOM, a global architectural and engineering consultancy firm, Quiet Revolution, a vertical axis wind turbine firm and Waste Watch, a sustainability charity. Vanesa holds a BSc (Hons) in Ecology, Conservation & Environment from York University and an MSc in Environmental Decision Making from the Open University.
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.
Victoria Gonsior (“Vicky”) serves as Senior Manager for Climate Action Planning. In this position, she manages the data pillar of the Bloomberg Philanthropies Joint Programme and supports, in collaboration with GCoM, CDP and various internal and external partners, the development of streamlined data access and tools for cities – particularly those with limited capacities – to enable and accelerate their path along the climate action journey.
Vicky is not new to C40, having previously worked as the City Advisor for Freetown in Sierra Leone, where she supported the city in developing its first CAP, with limited resources available. Before that, she was the C40 Focal Point and Policy Advisor to the Mayor of Freetown. Most recently, Vicky worked for The World Bank, supporting the development of the Democratic Republic of Congo’s Country and Climate Development report by providing insights on urban climate action in cities.
She also has years of experience in various organisations and consultancies at the intersection of research and practice in international cooperation and sustainability, with a strong focus on the public sector and the subnational level. She has MSc and BSc degrees in economics, has been published in academic journals and with renowned publishing companies and is a trained and certified systemic coach. A number of additional training on mindfulness techniques and action and experienced-based learning methodologies enrich the skillset with which she delivers her work. She is based in Cologne, Germany, and surfs along the world’s coastlines, whenever an opportunity presents itself.
Viola serves as Senior Project Manager in C40’s UrbanShift team. She is responsible for many vital functions to support the tracking, coordination, budgeting, events and outcomes of C40’s participation in UrbanShift.
Before this role, Viola was the C40 Projects & Events Officer for the Financing Sustainable Cities Initiative (FSCI). She supported FSCI academies, forums, communication and knowledge management, and assisted cities in accessing vital finance to make their Climate Action Plans a reality. Previously, Viola worked with the C40 Measurement & Planning team as an intern.
Viola holds a Master in Sustainable Cities from King’s College London, where she focused her research on the benefits of urban nature on the human brain through neuroscience technology. She also holds a Bachelor of Science in Environmental Management.
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.
Vrilly Rondonuwu serves as City Adviser for Jakarta, Indonesia. In this role, she is one of the key parts of the Regional and Mayoral Engagement team to engage the city in the implementation of the climate action plan and the fulfilment of C40’s Leadership Standards, including supporting C40 as required during the transition of city administrations, representing C40, and liaising with external partners working with the city on relevant issues.
Vrilly has over ten years’ experience, both in the government and non-government environment from project planning, implementation and monitoring and evaluation. Her extensive professional work on climate started with assisting the Chair of the UNFCCC Subsidiary Body for Implementation in the year of 2009, working with various people and organizations.
Before joining C40, Vrilly worked as a consultant in the fields of environment, resource efficiency, and climate change at various international organizations e.g., as a short-term consultant to support the coordination and data collection for the ASEAN Resource Panel at UNESCAP; as a national short-term consultant at World Bank Indonesia for the Climate Change Institutional Assessment project; as an RECP policy expert and networking coordinator at ICPC for the RECP Indonesia project supported by UNIDO; on the coordination desk on behalf of the Foundation for Sustainable Development as part of the Consumer Information Programme for SCP–UNEP; and as a technical officer/policy adviser at GTZ for their Climate Change programme.
She completed her Master’s of Ministry in Pastoral Counseling at Jakarta Theology Seminary, and earned a BSc in Quality Performance Management and Information Technology at Marquette University in Milwaukee, USA.
Wanjiku Ngare is a Senior Manager in the City Finance Programme at C40. She is responsible for overseeing a portfolio of special projects and partnerships, supporting sectoral finance staff, program management, and supporting internal team strategy development and operations.
Wanjiku is a passionate urbanist with experience in management consulting and project finance. Prior to this role, she was an operations senior associate at Instiglio Inc and an associate management consultant at Dalberg Advisors. She worked on cross-sectoral projects for diverse clients, including large foundations, multilateral development banks, and bilateral development finance institutions. Her work spanned from identifying and addressing barriers in scaling the deployment of pico to microgrid solar in East African countries; to identifying key constraints to economic development in Kosovo. She began her career as a Project Finance Analyst at Sol Systems LLC, a leading renewable energy financier and developer in the United States.
Wanjiku holds a Bachelor’s in International Affairs from Georgetown University and a Master’s in Urban Planning from the Harvard Graduate School of Design.
Wenwen Chen serves as Operations Manager, China Office. In this role, she is responsible for managing the Corporate Services deliverables within China.
Prior to joining C40, Wenwen worked as a Program Operation Manager for Peking University’s Guanghua School of Management. Before that, Wenwen served as Vice Director for the International Cooperation Department of the Dragon Design Foundation, where she led the Sino-EU collaborations and activities on sustainable design and green technology. She also worked for the first local Fair Trade organisation in China earlier in her career.
Wenwen holds a Bachelor’s Degree in Agriculture and Ecology from South China Agriculture University and an International MBA from Tsinghua University School of Economics and Management, including one semester exchange programme at ESSEC Business School.
William Andruga serves as C40’s City Adviser, Waste and Methane, in Freetown, Sierra Leone. He has over 10 years of waste management experience in humanitarian, refugee/displaced people’s settlements, municipalities and institutions. William is a civil engineer by training, with a BSc in Civil and Building Engineering and post-graduate studies in project management, waste and sanitation.
William is now undertaking a research-based MSc in Environmental Engineering focusing on GHG emissions reduction and efficient nature-based solid waste treatment methods.
William is excited by new ways to solve complex challenges including piloting projects for untested solutions to generate knowledge and understanding. Andruga is a team player, and team leader and enjoys meeting new people.