Cass R. Sunstein is Robert Walmsley University Professor at Harvard University, where he is founder and director of the Program on Behavioral Economics and Public Policy. He is the most cited law professor in the United States and probably the world. He has served as Administrator of the White House Office of Information and Regulatory Affairs and as a member of the President’s Review Group on Intelligence and Communications Technologies. Winner of the 2018 Holberg Prize, Sunstein is a columnist for Bloomberg View and a frequent adviser to governments all over the world. His many books include the bestseller Nudge: Improving Decisions about Health, Wealth, and Happiness (with Richard H. Thaler), Simpler: The Future of Government, and Republic.com.