Cass R. Sunstein is Robert Walmsley University Professor at Harvard University, where he is the cofounder and codirector of the Initiative on Artificial Intelligence and the Law. Former Administrator of the White House Office of Information and Regulatory Affairs, he is the author of 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.