Douglas H. Ginsburg is a Judge of the United States Court of Appeals for the District of Columbia Circuit, to which he was appointed by President Reagan in 1986 and which he served as Chief Judge from 2001 to 2008. He is also Distinguished Adjunct Professor at George Mason University School of Law, Visiting Lecturer at the University of Chicago Law School, and Visiting Professor, University College London, Faculty of Laws. Judge Ginsburg was previously a Professor at Harvard Law School (1975-83). He served in the Reagan Administration (1983-86) as Administrator, Office if Information and Regulatory Affairs, U.S. Office of Management and Budget; and as Assistant Attorney General in charge of the Antitrust Division of the United States Department of Justice. Judge Ginsburg is a graduate of Cornell University (’70) and of the University of Chicago Law School (’73). He serves on the Advisory Boards of: Competition Policy International; the Journal of Competition Law and Economics; the Journal of Law, Economics and Policy; the Supreme Court Economic Review; the Law and Economics Center at George Mason University School of Law; and the Jevons Institute for Competition Law and Economics, Faculty of Laws, University College London; as well as the Harvard Journal of Law and Public Policy; and the University of Chicago Law Review.