Previously with the Times Newspaper London, the U.N. Environment, and the U.N. Framework Convention on Climate Change, Nick was the Director of Communications and Spokesperson for the Paris Agreement of 2015. More recently, he has served as the Director of Communications for the Global Climate Action Summit that took place in San Francisco in September 2018.

Cassie Flynn is the Global Director of Climate Change at UNDP. The portfolio supports over 150 countries to take bold climate action. She previously served as the Strategic Advisor on climate change to UNDP’s Administrator and Senior Advisor to the Prime Minister of Fiji as COP23 President. Cassie is an internationally recognized expert on the treaty negotiations on climate change and has been a featured expert by CNN, BBC, Wall Street Journal, Le Monde, New York Times, and other publications. Cassie earned her master's degree from Yale University and undergraduate degrees from Bowdoin College.

An engineer by training, Karthik is a Fellow and Director, Research Coordination, at CEEW (Council on Energy, Environment and Water). As Director, he has a bird's eye view of CEEW's ongoing and planned research and ensures cross-team coherence for CEEW's research direction and imperatives. He also dons the hat of an internal adviser across research teams, creates institutional platforms that spur innovation and, in partnership with other senior researchers, continues to strengthen CEEW's foundation for world-class research. He has played a pivotal role in conceptualising and executing some of CEEW's biggest successes and collaborative efforts such as the ACCESS and IRES surveys and the associated studies, the GHG Platform Initiative and the first full fledged office programme office based out of Lucknow. He continues to be an active researcher with the power sector and air pollution work programmes.

Ramón Cruz has over 20 years of experience intersecting the fields of sustainability, environmental policy, urban planning, energy and climate change. He has worked in the public sector as the Deputy Director of the state environmental regulatory agency in Puerto Rico and held senior positions at the Sierra Club, Environmental Defense Fund, the Partnership for New York City and the Institute for Transportation and Development Policy

Ingmar is serial entrepreneur within financial communication and nominated for a DI Gasell Award, Ernst & Young Entrepreneur of The Year, Sweden’s Environmental Influencer 2018, and International Gamechanger of the Year 2020, and Green Warrior 2021. Ingmar Rentzhog has been the chairman of the environmental think tank Global Challenge. He is on the board of Naventus Corporate Finance. He’s a member of Al Gore’s Climate Reality and European Climate Policy Task Force and he was in 2022 appointed a European Climate Pact Ambassador by the European Commission.