Chris Sanchirico, Samuel A. Blank Professor of Law, Business, and Public Policy at the University of Pennsylvania. Chris has a law degree and a Ph.D. in economics, both from Yale University. In graduate school, his fields of study were mathematical economics and public finance. At Penn Law School, he teaches Federal Income Tax, Taxation of Business Entities, International Taxation, and Tax Policy. Before moving to Penn, Chris taught in the economics department at Columbia University and the University of Virginia School of Law. Chris’s research focuses on a variety of issues in tax policy using a diverse array of methodologies.