Cass R. Sunstein is the Robert Walmsley University Professor at Harvard University, USA. From 2009 to 2012, he was Administrator of the White House Office of Information and Regulatory Affairs. He is the founder and director of the Program on Behavioral Economics and Public Policy at Harvard Law School. Suntstein has written numerous books, including Nudge: Improving Decisions about Health, Wealth, and Happiness (with Richard H. Thaler, 2008) and Why Nudge?: The Politics of Libertarian Paternalism (2014).