Our Team

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Mark Watts Executive Director

Mark Watts serves as the Executive Director for C40 Cities Climate Leadership Group. Prior to joining C40, Mark was the Director of Arup’s energy consulting team based in London. Focused on cities and sustainability, he lead Arup’s partnership with the C40 group of cities committed to tackling climate change. Prior to joining Arup as a Director in 2008, he was the climate change and sustainable transport adviser to the Mayor of London, in which role the London Evening Standard described him as “the intellectual force behind Ken Livingstone’s drive to make London a leading light of the battle against global warming.” He led the development of London's ground-breaking Climate Change Action Plan and the associated programme of projects to reduce London’s carbon emissions by 60% by 2025.

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Kevin Austin Director of Initiatives, Regions, and Events

Kevin Austin serves as C40’s Director of Initiatives, Regions, and Events.  Prior to joining C40 he was Assistant Director of External Relations for the Mayor of London. His responsibilities included running the events, marketing, design and commercial teams.  Kevin has a background in economics and strategy development, and has a Masters in Transport Planning and a Doctorate in Civil Engineering from Leeds University. Following his PhD he worked for a major consultancy, advising clients on project implementation and economic appraisal. He joined the Greater London Authority in 2002 and was responsible for advising the Mayor of London on all aspects of transport. Between 2009 and 2012 Kevin worked as Head of Olympic projects and led the delivery of the major city-related elements associated with the London 2012 Olympic and Paralympics Games.

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Marie Scott Poulsen Director of Communications

Marie Scott Poulsen serves as the Director of Communications for C40. She is responsible for the overall international C40 communication effort in terms of stakeholder management, communication strategies, social media, internal communications, press relations and brand management. Marie also supports and develops member cities' climate-communication. Before joining C40 Marie spent a year as Head of Communications in 'Sampension', one of Denmark's largest pension funds. Her more than 10 years experience in communication leadership also includes five years as Head of Communications in the City of Copenhagen, City Hall, where she was responsible for overall city communication, including the 2009 Mayors Summit in Copenhagen as well as the successful COP 15 world-wide 'Hopenhagen' campaign endorsed by the UN. Marie founded the 'Performance Communication' characterizing Copenhagen’s way of communicating climate solutions by changing the focus from input to solid GHG-reducing results. Prior to her position in Copenhagen City Hall Marie was Head of Communications at FDB/Coop, the largest Scandinavian consumer cooperative and at 'Håndværksrådet', a Danish organisation for small and medium-sized enterprises. She holds a Master's degree in Social Science/Humanities from University of Copenhagen and is pursuing a Master’s in Design, with a concentration in Design Management, Visual Identity and Profitable Design Processes.

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Seth Schultz Director, Research, Measurement & Planning

Seth Schultz is the Director of Research, Measurement & Planning at C40 Cities Climate Leadership Group. In this role, Seth is responsible for organizational accountability and visibility through implementing a comprehensive and cohesive research and planning strategy. Seth works to ensure that cities accelerate and share their work on climate change issues through specific data analysis. He is also a frequent speaker about the breadth and depth of climate actions being taken by C40 Cities and their impact around the world. Prior to this role, Seth helped create the Climate Positive Development Program (CPDP) -- developed in partnership with the Clinton Climate Initiative and the U.S. Green Building Council (USGBC). CPDP supports the development of large-scale urban projects striving to reduce the amount of on-site CO2 emissions to below zero. Seth’s background includes more than 15 years of experience in the environmental field. Some of his past work includes managing contracts and clients at the city, state, regional and federal level. He has managed nationwide U.S. federal contracts with EPA and NOAA and overseen research projects on emergency response work conducted at the World Trade Center cleanup, Hurricane Katrina and others. He holds a bachelors degree in Environmental Science from Binghamton University and oversees C40's office in New York City.

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Andrea Fernández Director of Governance and Global Partnerships

Andrea Fernández serves as C40’s Director of Governance and Global Partnerships. Andrea is responsible for managing the C40’s relationship with its governing bodies, funders and partners, overseeing city diplomacy efforts, and driving new strategic priorities established by the C40 Chair. Before joining C40, Andrea worked as a consultant at Arup for 11 years. In this role, she led high profile engagements related to sustainability and climate change in the urban environment, with a focus on policy, funding, governance and delivery strategies. Previously, Andrea worked in the World Bank’s Private Sector Development Department for about 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. 

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Clare Hammacott Director of Finance & Operations

Clare Hammacott serves as C40’s Director of Finance & Operations, responsible for the organisation’s global Finance, Human Resources, IT and Legal functionalities. Prior to joining C40, Clare managed the Secretariat for the Commission on Civil Society and Democratic Engagement, consulting with parliamentarians in both the House of Commons and the House of Lords, and over 150 NGOs on the Transparency of Lobbying, Non-party Campaigning and Trade Union Administration Bill. Previously, she spent 14 years working in the corporate world, in a variety of roles covering consultancy, operations, client management and sales for global mobility companies, including Team Relocations, Weichert Relocation Resources and Cartus.  Clare has lived and worked in the UK, The Netherlands, Germany, Switzerland, Singapore and Malaysia and has experience of relocating families to over 120 countries around the world. She holds a BA (Hons) German degree from the University of Liverpool (UK) and Freie Universität Berlin (Germany).

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Amy Gutcher Head of Finance

Amy Gutcher serves as the Head of Finance at C40, responsible for the finance function across the global organization. Prior to joining C40, Amy was a Financial Controller for Shell Foundation, an international charity focused on business-based solutions to challenges around access to energy, sustainable transport and sustainable job creation, with a $20 million budget and an endowment worth nearly $500 million.  Among previous roles in both the commercial and third sector, Amy has also worked as an Assistant Manager at Deloitte LLP in London, where she served in the assurance department to support FTSE 100 companies, charities, law firms, and small businesses.  She is a chartered accountant with an ACA and DChA from the ICAEW, and holds a Masters of Arts in Natural Sciences from Cambridge University.

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Adenike Musa Executive Assistant to the Executive Director & Office Manager

Adenike Musa serves as the Executive Assistant to the Executive Director of the C40 Cities Climate Leadership Group. In this position, she is responsible for all administrative support for the organisation, including managing the administrative officers located in C40 offices across the globe. In this role, she specifically supports the Executive Director, organising and supervising the business activities that facilitate the smooth running of the Executive Director’s office. Prior to joining C40, Adenike worked for the Greater London Authority where she supported Deputy Mayors and senior management teams on a variety of projects and events. Previously, Adenike worked in a similar capacity as Senior Personal Assistant within public and private sector organisations such as PricewaterhouseCoopers UK and the Department for Education, where she was responsible for implementing HR policies, supervising staff, budget management and general office management. Adenike holds a Bachelor’s degree in Politics and International Relations from the University of Westminster, London.

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Nicola Smith Administrative Assistant

Nicola (Nikki) Smith serves as one of the Administrative Assistants within the organization. In this capacity, she provides administrative and scheduling support to the Executive Assistant to the Executive Director, the Director of Initiatives, Regions and Events, the Head of Events and the Director of Global Initiatives and her team. Nikki is also responsible for establishing and maintaining administrative processes and office systems across the organisation. In her twenty-eight-year career, Nikki has held administrative and customer-facing positions in government and other public-sector organisations, including the London Fire Brigade and the Greater London Authority, where she spent the last 11 years providing administrative support to the Mayor of London’s private office.



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Gareth Nicholas Administrative Assistant

Gareth Nicholas serves as an Administrative Assistant in C40’s London office.  In this role, he supports the Regional Directors for Europe and Africa, assists the Global Initiatives team, and manages the technical aspects of C40’s global webinars.  Prior to joining C40, Gareth held administrative positions in a variety of organisations, including a cycle training cooperative, a regional anti-racism project and a local government housing initiative.  Gareth has a Masters degree in mathematics from the University of Sheffield.

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Irma Carranza Administrative Assistant

Irma Carranza serves as the Administrative Assistant at the Los Angeles office of C40 Cities. 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 organizer working to bring good jobs into underserved communities. Prior to LAANE, she worked over ten years in several clerical and administrative supportive 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.

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Terri Wills Director of Global Initiatives

Terri serves as the Director of Global Initiatives for C40, and is responsible for the development and delivery of C40’s initiatives and networks. Before taking on this role, Terri served as the organisation’s London City Director – through the C40 partnership with the Clinton Climate Initiative (CCI) – working closely with the Mayor of London’s office and agencies on climate change mitigation programmes and projects. Before joining the organisation, Terri was a Senior Policy Advisor for the Ontario Government in Canada, supporting the administration of a large-scale cleantech demonstration fund. Terri has also worked as a consultant advising on the economic development of creative industries, and was a Head of Strategy at the British Broadcasting Corporation based in London. Terri holds an MSc from the London School of Economics and a BAH in Political Studies from Queen’s University, Canada.

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Simon Hansen Director of Regions

Simon Hansen is the Director of Regions, where he is responsible for the management of C40’s Regions and Cities team. Before joining C40, Simon served as Deputy Director in the City of Copenhagen’s Technical and Environmental Administration, as well as head of its City Development Department, where he oversaw strategic planning, including the delivery of Copenhagen’s ambitious climate plan for the city to be carbon neutral in 2025. Simon has also served as chief of staff in the Mayors Office. Prior to his involvement in city administration, Simon was head of section in the Danish Finance Ministry and policy advisor at the UK Cabinet Office. Simon has been a frequent lecturer at the University of Copenhagen with courses on City Governance and Urban Strategy. He holds an MA in political Science from the University of Copenhagen and the New School University in New York City, and a BA in political Science from the University of Copenhagen. (Photo credit: Ursula Back)

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Hastings Chikoko Regional Director for Africa

Hastings Chikoko is the Regional Director for Africa at C40. In this role, he supports the cities in Africa in their climate action planning, measurement and implementation, helping them to forge inter-city as well as regional collaboration. Prior to joining C40, Hastings had a long career with the International Union for Conservation of Nature (IUCN) where he served in leadership roles in East and Southern Africa, and worked closely with State and NGO members in the negotiation of regional and international environmental agreements. He led IUCN’s support of the City of Johannesburg on the Greening Soweto initiative and was involved in the implementation of ICLEI initiatives, including Local Action for Biodiversity. He is one of the International Development Research Center’s African Mentors for policy think tanks in Africa; a member of the Regional Technical Committee of the Global Water Partnership; and a member of the Academic Advisory Board of the Tshwane University of Technology. Hastings has graduate qualifications in Environmental Diplomacy from the University of Geneva, Switzerland and in Management from Derby Business School, UK. He also has a Bachelor’s degree in Economics from the University of Malawi. He has had focused training in Climate Change Diplomacy and Bilateral Diplomacy at the Diplo Foundation, Switzerland.

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Tongbo Liu Regional Director for East Asia

Tongbo Liu serves as C40’s regional director for China and East Asia. Previous to joining C40, Tongbo was Vice president in the ABP Group in China where he was in charge of international development, branding and governmental relationships. From 2006 - 2012 he represented the London Development Agency and London & Partners (the Mayor's tourism agency) in China, where amongst other things he arranged the summit of World Cities Mayors. Earlier in his career Tongbo spent 5 years as a commercial attache of the province of Quebec, based within the Canadian Embassy in Beijing. Tongbo holds a masters degree in law from Beijing University and a BA in French literature from Xian University.

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Cristiana Fragola Regional Director for Europe

Cristiana Fragola serves as the Regional Director for Europe at C40. In this position she manages relationships with 19 Cities and facilitates communication between them and the C40 global network, offering support to ensure the success of their climate action plans. Prior to joining C40 as European Regional Director, Cristiana served as a legal advisor to the UN Development Programme, where she provided legal advice for the Millennium Development Goals and Carbon Finance Facility programmes. Cristiana also served as the Deputy Director of Sustainability for the New York City Housing Authority, and, prior to that, as Director of MillionTreesNYC, a PlaNYC initiative. Cristiana holds graduate degrees in international law from the University of Pennsylvania, where she was a Rotary Ambassadorial Fellow, and in government and environmental policy from the Harvard Kennedy School of Government, where she received the Zuckerman Fellowship from the Center for Public Leadership.

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Manuel Olivera Regional Director for Latin America

Manuel Olivera serves as the Regional Director for Latin American cities at C40, after having served six years as the City Director in Bogota. In this position Manuel has supported several projects aimed at reducing greenhouse emissions including methane capture at landfills; traffic light LED retrofitting; diesel fuel quality improvement; and the implementation of the Hybrid Electric Bus Test Programme in Latin America. Manuel has more than 30 years of professional experience at both national and international levels leading multidisciplinary groups, assessing high level decision making, and ensuring programmatic success across several environmental fields. Manuel has worked as a consultant for the Inter American Development Bank, the World Bank, United Nations Development Project, World Wildlife Foundation, private companies, as well as Latin American governments. Manuel has a Master's degree in Resource Assessment for Development Planning from the University of East Anglia in Norwich, and pursued doctoral studies in Development Socioeconomics at the School for Advanced Studies in the Social Sciences in Paris.

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Brendan Shane Regional Director for North America

Brendan Shane serves as the Regional Director for North America at C40. In this role, he supports C40 Cities in the United States and Canada in their climate action and sustainability planning, measurement, and implementation and facilitates inter-city, regional, and global collaboration. Prior to joining C40, Brendan served as Chief of Policy and Sustainability for the District Department of the Environment in Washington, DC, where he worked across District Government and with private sector stakeholders to develop and implement the city’s first comprehensive sustainability plan. He also managed programs including green building and climate change and supported a range of cutting-edge initiatives across energy, waste, and sustainable development. Brendan served as Washington’s C40 coordinator and was an active member of the Urban Sustainability Directors Network, a network of sustainability officials from more than 120 North American cities. Brendan previously served as Environmental Director for the Anacostia Waterfront Corporation, a District-owned redevelopment authority, and practiced energy and environmental law at Van Ness Feldman, LLP.  Brendan is a watershed hydrologist and attorney by training with a bachelors in government from Franklin & Marshall College, masters in geology from the University of Maryland, and law degree from the Georgetown University Law Center.

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Sanjay Sridhar Regional Director for South and West Asia

Sanjay Sridhar is the C40 Regional Director for South and West Asia. He is responsible for facilitating cities in the region to participate in the exchange of best practices to reduce the sources and their impact of climate change. Sanjay has more than 16 years of work experience in 3 continents (North America, Europe and Asia) in areas of architecture, urban development and planning, sustainable design and public policy. Prior to joining C40, Sanjay was with the World Resources Institute (WRI) as the Director of Urban Development for India. He also established WRI’s regional office in Bangalore from where, as the Country Lead for the Sustainable and Livable Cities Project, he laid the foundation for WRI’s flagship programme, the Steve Ross Center for Sustainable Cities. Prior to joining WRI, he held several roles as a member of the Core Group at the National Disaster Management Authority, Govt of India and as Adjunct Faculty at the Centre for Environmental Planning and Technology (CEPT University, Ahmdabad) where he continues to teach Urban Development Planning and Public Policy. He also led a group at CEPT University’s Center for Conservation Cities (CCS) looking at urban development in historical cities in India. He was also a member of the Agenda for Bengaluru Infrastructure and Development (ABIDe) taskforce, which undertook a comprehensive study of all aspects of urban development for the City of Bangalore, India.  Sanjay has a Bachelors degree in Architecture from Bangalore University in India; a LEED Accredited Professional (AP) from the US Green Building Council; a Masters Degree in Urban Development Planning and Policy from Erasmus University in the Netherlands and has also studied Urban Affairs and Public Policy at the University of Delaware, US.

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Milag San Jose- Ballesteros Regional Director for Southeast Asia and Oceania

Milag San Jose- Ballesteros serves as the Regional Director for 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 for facilitating collaboration between cities across the global C40 network.  Prior to joining C40, Milag served as Regional Environmental Governance Specialist with the Environmental Cooperation-Asia (ECO-Asia) programme 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, managing 4 offices across the country. Milag completed her undergraduate degree from the University of the Philippines and obtained her MS from the Ateneo de Manila University under a scholarship program of The Ford Foundation for SEA Professionals.  A native of Manila, Phillipines, she has been based in Singapore since 2008.

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Amanda Ikert Head of the Adaptation & Water Initiative

Amanda Ikert (“Mandy”) serves as Head of the Adaptation & Water Initiative 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.

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Shannon Lawrence Head of the Energy Initiative

Shannon Lawrence serves as the Head of the Energy Initiative at C40. In this position she is responsible for leading C40’s energy strategy and supporting city efforts in areas such as energy efficiency and district energy. Before joining C40, Shannon was the Vibrant Cities Project Director for the Sustainable Urban Forests Coalition. She also worked as an independent sustainability and energy consultant for clients such as the USGBC, Virginia Tech’s Metropolitan Institute, Enterprise Community Partners and the World Resources Institute. Before she took up consulting, Shannon spent ten years working for International Rivers and the Environmental Defense Fund promoting environmentally responsible and transparent energy and water planning in Africa and Asia. Shannon holds a Master of Arts in Law and Diplomacy from the Fletcher School of Law and Diplomacy at Tufts University, with concentrations in international environmental and resource policy and development economics. She has a BA in Economics and English from Georgetown University.

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James Alexander Head of the Finance & Economic Development Initiative

James Alexander is the Head of the Finance & Economic Development Initiative at C40. In this role, James is responsible for the management and strategic development of the C40 networks on Green Growth and Sustainable Infrastructure Finance. Prior to joining C40, James served as Senior Policy Manager and Head of the London office for the Scottish Council for Development and Industry, where he advised the Scottish Government and other key stakeholders on the actions and priorities needed to create sustainable economic prosperity for Scotland. James worked with the leaders of Scotland’s cities to develop the Cities Strategy for Scotland and setup and led a new Scottish Cities Alliance focused on driving investment, economic growth and job creation in Scotland’s cities. James has also led international trade missions to the Middle East; and has considerable experience in the skills sector, including two years as President of the National Union of Students in Scotland. James has a degree in Mathematics from Heriot-Watt University in Edinburgh.

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Ricardo Cepeda-Márquez Head of the Solid Waste Initiative

Ricardo Cepeda-Márquez serves as the Head of the Solid Waste Initiative at C40. In this position Ricardo is responsible for the Sustainable Solid Waste Systems Network and new networks related to Municapal Waste strategies. He has recently focused his efforts on 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. Before joining C40, Ricardo was a Lead Engineer performing hydraulic safety analysis for oil pipeline systems for the Mexican oil industry, PEMEX. Ricardo also developed statistical analysis tools for drought prediction and municipal planning. Ricardo has a Bachelor's degree in Environmental Engineering from the Metropolitan Autonomous University (UAM) in Mexico and a Master's in Hydraulic Engineering from the National Autonomous University of Mexico (UNAM).

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Zachary Tofias Head of the Sustainable Communities Initiative

Zachary Tofias serves as the Head of the Sustainable Communities Initiative and the Climate Positive Development Programme at C40. He has been with the C40 Cities Climate Leadership Group since 2007 in partnership with the Clinton Climate Initiative, initially as the City Director in Addis Ababa, Ethiopia and more recently as a founding member of the team that launched the Climate Positive Development Programme. For the past four years, Zach has been working with both private sector developers and city partners around the world on developing locally relevant solutions to find replicable models for sustainable city growth. Zach’s work leading the Sustainable Communities Initiative aims to demonstrate it is possible to build communities that are environmentally sustainable, economically viable, and net carbon negative. Zach has an Master’s of Business Administration from Cornell University, and a bachelor’s degree from Middlebury College.

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Gunjan Parik Head of the Transportation Initiative

Gunjan Parik serves as the Head of the Transportation Initiative at C40. In this position she is responsible for driving and delivering C40’s global transportation strategy. 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.

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Niki Hitchcox Head of Events

Niki Hitchcox serves as the Head of Events at C40. Prior to joining C40, Niki delivered major public events on behalf of the Mayor of London, including London’s New Year’s Eve Fireworks display, which reached an international audience of 500,000 and received global recognition as the most watched television show in 2013. During the 2012 Olympic and Paralympic Games Niki delivered the city’s ‘Live Sites’ which involved a diverse range of entertainment and live screening of all sporting events, followed by a meet-and-greet with Team Great Britain medal winners. More than 1.4 million people visited these three live sites over a one-month period. In her 10 years of experience in the Events industry Niki has produced large-scale conferences, conventions and exhibitions, as well as smaller workshops and CEO networking events around the world. Delivering content for clients from the Government, Financial, Telecommunications and Pharmaceutical sectors, Niki has worked on event conceptualisation right through to delivery.

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Zoe Sprigings Network Manager of Energy Efficiency

Zoe Sprigings manages the Private Building Efficiency network and Municipal Building Efficiency network at C40.  In this position she collaborates with networks of global cities to deliver their strategies and work-plans for tackling energy efficiency. Prior to joining C40, Zoe was a Senior Policy Adviser in the Department of Energy and Climate Change of the UK Government. Most recently she worked on energy efficiency policy, including a £540 million incentives fund, a £1.3 billion annual regulation and the creation of a legal framework to enable private sector investment in energy efficiency.  Previous roles include advising on international climate finance, with a focus on the UK Government's contribution to the Climate Investment Funds.  During her recent academic sabbatical, she was a joint Fellow in NYC's Office of Long-Term Planning and Sustainability and at City University New York, and a Red Cross Climate Centre research scholar in Addis Ababa. Zoe holds a Masters of Arts in Disasters, Adaptation and Development from King's College London, and a Masters of Arts in History from the University of Oxford.

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Michael Doust Head of the Measurement and Planning Initiative

Michael Doust serves as the Head of the Measurement and Planning Initiative at C40. In this position, he is responsible for global standards, measurement, reporting and climate action planning. Prior to joining C40, Michael worked for the Greater London Authority where he led the development of London's GHG inventory and was responsible for strategy development, and planning and review of Mayoral climate change programmes. Previously, Michael worked for two other municipal authorities in the UK as well as the Department for Environment, Food and Rural Affairs.  He is a Chartered Environmentalist and has a Master's degree in Environmental Change and Management from the University of Oxford.

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Kathryn Urquhart Network Manager of Low Emissions Vehicles

Kathryn Urquhart manages the Low Emissions Vehicle Network and assists with overall strategy and operations for the C40 Networks team. Before joining C40, Kathryn worked for former Vice President Al Gore’s nonprofit Climate Reality Project—formerly the Alliance for Climate Protection—on the political programme team. She is also a former Clinton Foundation Orfalea Fellow. Before joining the non-profit world, she helped start a green business conference called Opportunity Green in Los Angeles. Kathryn graduated from the University of Southern California with a Master’s of Public Policy and from the University of California, Santa Barbara with a bachelor’s degree in Political Science.

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Amrita Kataria Network Manager of Solid Waste

Amrita Sinha Kataria manages the Solid Waste Network at C40. In this position, she assists cities and collaborates with networks of global cities to deliver their strategies for tackling waste management issues.  Before joining C40, Amrita worked for Team London Ambassadors, a part of the Mayor of London’s Olympic and Paralympic programme for London 2012. Prior to this role, she worked as a Waste Prevention Adviser with Lambeth Council, London. She also worked on a project with the Greater London Authority to research provision of environmental management support to SMEs in London.  Amrita formerly worked in New Delhi, India as a Program Analyst on the Clinton Climate Initiative Waste and Solar Team. She has also worked for Coca-Cola, India to develop their rainwater-harvesting manual for bottling plants.  Amrita holds a M.Sc. in Environment, with specialisation in Water Resources Management from The Energy and Resources Institute (TERI) in New Delhi, India, where she received DAAD (The German Academic Exchange Service) scholarship to Freie Universitat, Berlin. She holds a B.Sc. in Environmental Science from University of Delhi, India. Currently, she is an Associate Member of IEMA (Institute of Environmental Management and Assessment) and University of Bath, UK.

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Tom Bailey Head of Research

Tom Bailey serves as the Head of Research. Tom is responsible for driving a number of research areas, from assessing the climate action being taken by C40 cities to developing an evidence base to support C40's city diplomacy work. Prior to joining C40, Tom was a Senior Consultant in Arup's Energy and Climate Change team, both in London and in Hong Kong, where he led projects in strategic city and national climate policy modeling and planning, urban energy infrastructure delivery and low-carbon energy system design. He has experience across the  green urban infrastructure development process and has spent an extended period seconded to the GLA in London, writing the Mayor’s Climate Change Mitigation and Energy Strategy. Tom has also helped drive a successful internal sustainability change program at Arup. A Chartered Environmentalist, Tom has a Masters degree in Sustainable Energy Systems from Imperial College London and a Bachelors in physics from the University of Manchester.

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Clare Healy Network Manager of Transit-Oriented Development

Clare Healy manages the Transit-Oriented Development Network at C40. In this role, Clare works with a network of global cities to help them deliver compact and well-connected mixed-use communities centred on transit nodes, that minimise vehicle use and increase access to transportation and economic activity. Clare joins C40 from the consultancy Arup, where she was working as an urban planner and was most recently based in Hong Kong delivering government-led master planning projects. Clare is a Chartered Member of the Royal Town Planning Institute, and has a Master’s degree in Spatial Planning from University College London and a Bachelor’s degree in Geography from the University of Nottingham.

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Kathryn Vines Head of Adaptation Research

Kathryn Vines (“Katie “) serves as the Head of Adaptation Research at C40. In this position, she brings together global cities working to identify, understand and manage their climate change vulnerability in order to ensure their future prosperity and sustainability. Katie is leading the development of the C40 Risk Assessment Framework. Prior to joining C40, Katie worked at the Office of Environment and Heritage at the New South Wales (NSW) Government in Australia. She served as a Principal Project Officer, organizing and delivering Integrated Regional Vulnerability Assessments and working with a variety of stakeholders to improve capacity to manage climate change impacts and vulnerability. In this role, Katie developed a Guide to Climate Change Risk Assessment for NSW Local Government and also established and ran the NSW Infrastructure Adaptation Panel. Katie holds a Masters of Environmental Management from the University of NSW, a Bachelor of Science from the University of Sydney and a Graduate Diploma in Education from the University of Technology, Sydney.

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Laura Jay Network Manager of Sustainable Urban Development

Laura Jay manages the Sustainable Urban Development Network at C40. Laura works with city partners around the world in supporting the development of local community sustainability solutions. Laura's work with the Sustainable Communities Initiative looks to demonstrate ways cities can build communities that are environmentally sustainable, economically viable, and net carbon negative. Prior to joining the C40, Laura served as a Project Manager at Terrapin Bright Green where she worked with 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 the development of their strategic plan. Laura has a Master's degree in Urban Planning from Columbia University and a Bachelor's degree from Wheaton College in Massachusetts. 

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Gifti Nadi City Adviser for Addis-Ababa

Gifti Nadi serves as C40’s City Adviser for Addis-Ababa. In this position, she primarily works with the political and operational leadership within city government to facilitate the delivery of the proposed Bus Rapid Transit (BRT) project. Gifti has more than 15 years of experience in the fields of capacity building, public policy, climate change, media, gender equality, health and rural development. Most recently, she worked with the Ethiopian Development Research Institute and Ethiopian Economics Association as part of the Think Tank Initiative's Policy Engagement and Communications program. Her previous roles also include time at UNDP's Africa Adaptation Programme (AAP) in Nairobi, and at the International Women’s Media Foundation (IWMF) as a Senior Program Officer for Africa. Gifti holds a Master’s degree in International Public Policy from Johns Hopkins University’s School of Advanced International Studies (SAIS) and a Bachelor’s degree in Sociology from the University of Maryland.

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Jamie Ponce City Adviser to Chicago

Jamie Ponce serves as the C40 City Adviser to Chicago. In this position Jamie works to drive economic and environmental benefits in the City of Chicago and across the C40 network of global megacities. He currently focuses on energy efficiency in the built environment, sustainable infrastructure finance, and market-driven resource stewardship. Prior to this role, Jamie spent 10 years with A.T. Kearney, a global management-consulting firm, during which time he specialized in corporate strategy, organisational effectiveness, economic development, and natural resource efficiency. These efforts—including work with The Rocky Mountain Institute, Environmental Defense Fund, and The Packard Foundation—address some of the planet’s most pressing challenges through solutions that span industries, sectors, and ideologies. Jamie holds an Masters of Business Administration from Harvard Business School, a Master of Public Administration from Harvard’s John F. Kennedy School of Government, and a BA from Indiana University.

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Brian Yeoman City Adviser to Houston

Brian serves as the C40 City Adviser to Houston. In this position he works with the city’s political and administrative leadership to establish priorities for developing and implementing programmes that reduce energy use and greenhouse gas emissions, and that promote the use of clean energy. Before joining this effort, Brian was a Senior Research Scientist at the Houston Advanced Research Center, where he oversaw sustainability efforts, including facilitating a High Performance Building Team and leading research projects such as residential energy efficiency and construction waste management. Earlier, he was the Associate Vice President of Facilities Planning and Development at the University of Texas Health Science Center in Houston where he was responsible for the design and construction of new facilities and major renovations. Brian holds an Masters and Bachelor of Arts degree in Political Science from the University of South Dakota, and has been the recipient of numerous awards for his efforts in the realm of sustainability, including the 2006 Citizen’s Environmental Coalition (CEC) President’s Synergy Award.

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Liz Hanson City Adviser to New York City

Liz Hanson serves as C40’s City Advisor to New York City.  In this position, she supports implementation and management of both a technical analysis of building energy efficiency potential and a Technical Working Group of industry stakeholders, as outlined in the City’s One City: Built to Last plan.  Liz joins the Mayor’s Office of Sustainability and C40 after serving in Governor Deval Patrick’s Administration in Massachusetts since 2011.  Most recently she worked as the Policy Advisor for Climate Preparedness and Environmental Affairs at his Executive Office of Energy and Environmental Affairs (EEA).  In this role she developed and led implementation of Governor Patrick’s Coordinated Climate Preparedness Initiative, which included advancing over twenty high-priority items across fourteen agencies, and assisted EEA’s Undersecretary for Environment in advancing all aspects of the Administration’s environmental agenda. Before joining EEA, Liz served in Governor Patrick’s Office of Policy and Cabinet Affairs as the Policy Analyst for EEA and the Executive Office of Housing and Economic Development.  Liz holds a bachelor’s degree from Temple University in Philadelphia where she studied political science and economics. 

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Julia Lipton City Adviser to Sydney

Julia Lipton serves as the C40 City Adviser to Sydney, where she will work with the City to drive emissions savings in industry sectors and develop a replicable model.  Based on existing data, Julia will help develop strategies to quantify opportunities for emissions savings in each sector and develop plans for reductions based on the sector’s characteristics, barriers and drivers. Before joining C40, Julia developed the first of these sector strategies, the City of Sydney’s Residential Apartments Sustainability Plan, and managed residential sustainability programs for the City.  Julia has also worked for the NSW Government fostering business partnerships in energy efficiency. Before joining the public sector, Julia managed the UK’s Corporate Responsibility Index in Australia and New Zealand and the Green Capital corporate sustainability program for non-government organisations in Australia.  Julia has a bachelor’s degree in business and a master’s degree in international development.

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Micah Lang City Advisor to Vancouver

Micah Lang serves as the C40 City Advisor to Vancouver, focusing on Green Buildings.  In this position, he fosters partnerships with building owner/operator associations, energy utilities, non-governmental organisations, other municipalities and levels of government to catalyze and support energy conservation retrofits in multi-family housing buildings. Prior to C40, Micah has ten years of experience assisting local governments around the world plan to implement sustainability and climate change mitigation programs, including positions with ICLEI-U.S.A., Golder Associates, HB Lanarc Consultants, and Blue Cedar Ventures, where he served as Director. Micah holds a Masters in Energy and Resources from the University of California, Berkeley and a Bachelors in Environmental Science from The Colorado College.  

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Rafael Ramos City Adviser to Mexico City

Rafael Ramos serves as the C40 City Adviser to Mexico City. In this position, he is responsible for assisting the Mexico City Government in advancing its climate action agenda in order to achieve meaningful reductions of greenhouse gas emissions and climate risk. Before joining C40 Rafael served as Director of the Mexico City Ambient Air Monitoring System in the City's Secretary of the Environment. Prior to this, Rafael was a Consultant at private Environmental Engineering firms for more than 15 years. Rafael holds a Master of Science degree in Control Systems from the London Imperial College of Science, Technology and Medicine, and a BA with Honors in Mechanical and Electrical Engineering from the Mexican National Autonomous University.

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Cristina Mendonca Adviser to the Chair & City Adviser to Rio de Janeiro

Cristina Mendonça serves as Adviser to Chair Mayor Eduardo Paes and C40 City Adviser to Rio de Janeiro. In this position she works as the primary liaison between the C40 and its Chair (the Mayor of Rio) and the Steering Committee (main governing body comprised of mayoral level representation from 12 cites). Cristina works closely with the Chair and the C40 Executive Leadership to set and communicate strategic vision, support and coordinate Steering Committee participation, as well as collaborate with the City of Rio in the design and implementation of a work plan in the areas of energy efficiency, transportation, solid waste management, monitoring, urban revitalizations to help to demonstrate that climate change is an opportunity to promote sustainable development. Before joining C40, Cristina worked as a consultant advising companies on industrial processes, sustainable development, innovation technology, and renewable energy with a focus on optimizing production processes. Cristina is chemical engineer specialist in research and development in chemical process. Cristina is currently a candidate for a Masters in Urban and Environmental Engineering at Pontifical Catholic University, and holds an Executive MBA from the COPPEAD Graduate School of Business at the Federal University of Rio de Janeiro.

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Antoine Metten Assistant to the Office of the Chair

Antoine Metten serves as Assistant to the Office of the Chair. In this position, Antoine assists the Office of the Chair in all activities related to the Chair's support, as well as, C40 & City of Rio work plan implementation. Activities include logistics and institutional management of the Steering Committee, our main governing body comprised of 12 cities, communications from the Office of the Chair and also support implementation of program, projects and policies in the areas of energy efficiency, transportation, solid waste management and urban revitalizations in the context of the C40 & City of Rio work plan. Prior to Joining C40, Antoine worked as Assistant to the State Secretary of the Ministry of Public Health in Brazil, editing communication material and supporting academic research focused on the Brazilian Health Economic Industrial Complex. Previously, Antoine worked as a researcher at the Economic Commission for Latin America and the Caribbean in Santiago, Chile. Antoine holds a post-graduation degree in Urban Planning from the Federal University of Rio de Janeiro and a Master Degree in Public Policy from Sciences Po. Grenoble, with special emphasis on urban studies. 


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Luan Baptista Coordinator for Global Initiatives

Luan Baptista Ribeiro is the C40’s Team Coordinator for Global Initiatives. In this role, Luan works closely with the Director of Global Initiatives to manage and track the spectrum of interactions among C40 member cities. Prior to joining the C40, Luan has been involved in a number of projects focused on regional innovation and the impact of transportation on urban development in Regeneris and Urban Flow. Prior to moving to the UK, Luan worked in the International Relations Secretariat in city of Sao Paulo where he was responsible for facilitating the exchange of best practices and policies on urban regeneration with cities in the Middle East and Southeast Asia. He also worked closely with the Mayor and the Secretary in promoting Sao Paulo municipal projects in a range of international events. Luan has a Master’s degree from the Bartlett Development Planning Unit at University College London and a Bachelor’s degree in International Relations from Pontifical Catholic University of Sao Paulo. Luan is fluent in Portuguese, Spanish and English, and is competent in French.


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Brooke Russell Head of Editorial and Content

Brooke Russell serves as a Director of Communications, Editorial and Content at C40. A key member of C40’s Communications team, Brooke is responsible for editorial planning and execution across targeted distribution channels; in this capacity, she supports C40 staff, cities and partners in the development of a diverse range of content. Before joining C40, Brooke was for three years at the Clinton Climate Initiative, where she helped to build the organisation’s Communications department, bringing 14 years of prior experience as a contributing writer to organisations including the Economist Intelligence Unit, the London School of Economics and McKinsey & Co. Brooke holds a Bachelor of Arts in English Literature from Columbia College at Columbia University and a Master of Arts in Law and Diplomacy from the Fletcher School of Law and Diplomacy at Tufts University, where she concentrated on international environmental and resource policy, and development economics.

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Jared Pruzan Head of Network Communications | Manager of the City Adviser Programme

Jared Pruzan serves as the Head of Network Communications, including the C40 Exchange, a virtual community and knowledge-sharing portal for C40 Cities and staff, and C40.org. He also manages the City Adviser Programme, which provides a dedicated staff resource to help selected cities with the greatest demonstrated need and potential for impact to advance significant climate protection priorities. Prior to joining C40, Jared worked as a Financial Analyst for the Real Estate Private Equity Group at Lazard and as the coordinator of a nonprofit research initiative within Harvard University's David Rockefeller Center for Latin American Studies. He is also the author of Contemporary Realism: The Seavest Collection (2007), a book of essays. Jared earned a Masters of Public Affairs in International Nonprofit Management from New York University's Wagner School of Public Service and a Bachelor of Arts degree in Comparative Literature from Yale University.

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Daniel Samuels Manager of Network Communications

Daniel Samuels serves as the Manager of Network Communications at C40. In this position, he is responsible for the development and overall management of the C40 Exchange—C40’s online knowledge management, communication and collaboration system. He also coordinates and curates the C40 Newsletters, including the weekly C40 Report to the monthly C40 Newsletter. Prior to this, Daniel was a Project Analyst with the Clinton Foundation working primarily on C40-CCI (Clinton Climate Initiative) projects, where he helped launch an intranet that evolved into the C40 Exchange. Daniel came to the Clinton Foundation after spending 8 months in Ghana working for the Kokrobitey Institute, a sciences, arts and humanities school, that promotes cultural understanding and community service. Daniel holds a Bachelor in Economics and Social Sciences from Sydney University, Australia.

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Marvin Barrios Head of Operations

Marvin Barrios serves as the Head of Operations at the New York office of C40, where he supports the Director of Finance & Operations oversee the administrative, human resources, information technology and legal functions for the global organisation. Before joining C40, Marvin was the Grants Manager at Bienvenidos in Los Angeles where he managed government contracts, programme budgets and accounting functions; prior to this role, he oversaw the Accounts Payables and Receivables Department. He began his career at Bienvenidos by providing support to the President and Board of Directors, and then to the HR and IT departments. Prior to Bienvenidos, Marvin worked at the City of Los Angeles at their redevelopment agency where he provided administrative support to the Regional Director. Marvin graduated from the Advanced Technologies Academy with concentrations in Accounting and Marketing.

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Lisa Kim Finance Analyst

Lisa Kim serves as the Finance Analyst at the New York office of C40, where she supports the Head of Finance in the accounting functions for the global organization. Before joining C40, Lisa managed office administration for the nonprofit arts organization, OrigamiUSA. Prior to this role, Lisa assisted the Accounting Department and the President at the literary agency, Sterling Lord Literistic. In addition to working in the publishing industry, Lisa spent time teaching high school English literature and writing in New York City. Lisa holds an MA in English Education from Columbia University and holds a BA in Journalism & Mass Communications and Sociology from New York University.

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Ava Zekri President of the Board Liaison | City Climate Leadership Awards Manager

Ava Zekri serves as Manager of the City Climate Leadership Awards and as the Liaison for the President of the Board. In her Awards position, she develops, manages and coordinates the implementation of the Awards in close collaboration with Siemens and helps C40 meet their sustainability goals by ensuring that cities demonstrating true leadership in addressing climate change are globally recognized. In her other role, Ava works with the office of the President of the Board to ensure fluid coordination across the organizationPreviously, Ava interned with the Urban Planning and Design Branch of UN Habitat in Nairobi and worked as a researcher at the New Cities Foundation. She also worked as a consultant for the French National Railway Authority (SNCF). Ava holds a Masters degree in Regional and Urban Strategy from Sciences Po Paris, and a Bachelors degree in Geography with a special emphasis on spatial analysis from La Sorbonne.

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Eric Ast Manager of Research Special Projects

Eric Ast serves as the Manager of Research Special Projects.  Eric is responsible for performing analysis on urban sustainability and developing common global metrics for measuring the action and impact the world’s megacities are having on climate change.  Prior to joining C40, Eric was a Managing Energy Analyst for Bright Power in New York City, where he consulted owners of affordable multifamily housing on portfolio energy and water efficiency strategies, and helped local property owners comply with the Greener, Greater Buildings Plan. Previously, Eric was a Senior Business Analyst at Capital One, working on customer management strategy across a domestic credit portfolio. Eric has a dual Bachelors degree in Systems Engineering and Economics from the University of Virginia.

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Michael Marinello Special Adviser, Communications

Michael Marinello serves as a Special Adviser for global communications, social and digital media and media partnerships for C40. He comes to C40 from the Microsoft Corporation where he was Director of Communications for the Microsoft Office Division. He led worldwide PR/AR efforts, including strategic planning, team management, and social media strategy. Prior to his work at Microsoft, Michael served in the US Senate for Senators Daniel Patrick Moynihan (NY) and Robert Kerrey (NE), ran global public affairs for The GCI Group, and ran WW Public Relations for Becton Dickinson and Company. Michael is also the managing editor of the C40/National Geographic Blog "City Solutions" and sits on the editorial advisory board of Cities Today Magazine. He has won numerous PR industry awards for his work on brand communications, public affairs and crisis and issues management. He is a graduate of Lehigh University, where he studied International Relations and History.

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Sarah Potts Special Adviser

Sarah Potts serves as a Special Adviser to C40. Previously, Sarah served the organisation as the Interim Director of C40 Governance and Global Partnerships, where she oversaw all partnerships, grants, and drives core strategy efforts related to the organisation's delivery of strategic support across all C40 cities. Sarah also served the organisation as the Deputy Director of Regions and Initiatives, where she developed and drove core global strategy efforts related to delivery of direct assistance and peer-to-peer exchange across 63 C40 Cities around the world to reduce GHG emissions and climate risks. Prior to the integration of C40 and the Clinton Climate Initiative, Sarah served as the Los Angeles City Director for the Clinton Climate Initaitive. Operating at the nexus of business, politics, and environmentalism in Los Angeles, Sarah’s work focused on low-carbon transportation, outdoor lighting efficiency, building energy efficiency, and climate adaptation. Most notably, Sarah supported the Los Angeles Bureau of Street Lighting and Mayor Villaraigosa’s Office to develop and launch a major streetlight retrofit project. Once complete, the project will reduce CO2 emissions by over 40,500 tons and save the city $10 million annually in street light maintenance and energy costs — a nearly 60% savings. In addition, Sarah worked with the City of Los Angeles to design and launch the Los Angeles Commercial Building Performance Partnership, a city run car share programme, as well as the Climate Adaptation Framework with the City of Los Angeles. Sarah holds both a Bachelor’s and a Master’s degree in International Development from Brown University.

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