Cass R. Sunstein is Robert Walmsley University Professor at Harvard University, where he is the founder and director of the Program on Behavioral Economics and Public Policy. Former Administrator of the White House Office of Information and Regulatory Affairs, he is the author of On Liberalism, Climate Justice, The Cost-Benefit Revolution, How Change Happens, Too Much Information, Sludge, Climate Justice (all published by the MIT Press), Nudge (with Richard H. Thaler), and other books. In 2024, he was awarded the Distinguished Public Service Medal, the Department of Homeland Security's highest civilian honor.