Cynthia Rosenzweig is a Senior Research Scientist at the NASA Goddard Institute for Space Studies, where she heads the Climate Impacts Group. She is Co-Chair of the New York City Panel on Climate Change (NPCC), a body of experts convened by the mayor to advise the city on adaptation for its critical infrastructure. She co-led the Metropolitan East Coast Regional Assessment of the U.S. National Assessment of the Potential Consequences of Climate Variability and Change, sponsored by the U.S. Global Change Research Program. She was a Coordinating Lead Author of Working Group II for the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC). She is Co-Director of the Urban Climate Change Research Network (UCCRN), Co-Editor of the First and Second UCCRN Assessment Reports on Climate Change and Cities (ARC3), and Co-Chair of the Urban Thematic Group for the United Nations UN Sustainable Development Solutions Network (SDSN) and the Campaign for an Urban Sustainability Development Goal (SDG). She serves as Chair of the Board of the New York City Climate Museum. She was named as one of “Nature’s 10: Ten People Who Mattered in 2012” by the journal Nature, for her work preparing New York City for climate extremes and change. A recipient of a Guggenheim Fellowship, she joins impact models with climate models to project future outcomes of both land-based and urban systems under altered climate conditions. She is a Professor at Barnard College and a Senior Research Scientist at The Earth Institute at Columbia University.