Cass R. Sunstein is the nation’s most-cited legal scholar who, for the past fifteen years, has been at the forefront of behavioral economics. From 2009 to 2012, he served as the administrator of the White House Office of Information and Regulatory Affairs. Since that time, he has served in the US government in multiple capacities and worked with the United Nations and the World Health Organization, where he chaired the Technical Advisory Group on Behavioral Insights and Sciences for Health during the COVID-19 pandemic. He is the Robert Walmsley University Professor at Harvard Law School. His book Nudge, coauthored with Richard Thaler, was a national bestseller. In 2018, he was the recipient of the Holberg Prize from the government of Norway, sometimes described as equivalent of the Nobel Prize for law and the humanities. He lives in Boston and Washington, DC, with his wife, children, and labrador retrievers.