Tomas J. Philipson is a Swedish-born American economist who served as the Acting Chairman of the Council of Economic Advisers in the Trump administration. He departed from the position and the Council at the end of June, 2020, to return to the University of Chicago. He holds the Daniel Levin Chair in Public Policy at the University of Chicago, with posts in the Harris School of Public Policy Studies, Department of Economics, and the Law School. He was a Director of the Becker Friedman Institute at the university.
https://en.wikipedia.org/wiki/Tomas_J._Philipson