Radley Horton is an Associate Research Professor at Columbia University's Lamont-Doherty Earth Observatory. His research focuses on climate extremes, tail risks, climate impacts, and adaptation. Radley was a Convening Lead Author for the Third National Climate Assessment. He currently Co-Chairs Columbia's Adaptation Initiative, and is the Lead Principal Investigator for the WWF-Columbia University ADVANCE partnership, and the NOAA-Regional Integrated Sciences and Assessments-funded Consortium for Climate Risk in the Urban Northeast. Radley is also the Columbia University lead for the Department of Interior-funded Northeast Climate Science Center, and an NSF funded Climate Change Education Partnership Project. He has also served as Deputy Lead for NASA's Climate Adaptation Science Investigator Working Group, charged with linking NASA's science to its institutional stewardship. Radley has also been a Co-leader in the development of a global research agenda in support of the United Nations Environmental Program's Programme on Vulnerability, Impacts, and Adaptation (PROVIA) initiative. Radley serves on numerous national and international task forces and committees, including the Climate Scenarios Task Force in support of the 2018 U.S. National Climate Assessment. Radley also teaches in Columbia University's Sustainable Development department.