Gregory J. WERDEN

Gregory J. Werden is Senior Economic Counsel in the Antitrust Division of the U.S. Department of Justice, where he has worked since 1977. He earned several degrees including a Ph.D. in economics from the University of Wisconsin. He was a principal author of the 1982 and 1984 Merger Guidelines, as well as four other sets of antitrust enforcement guidelines. He assisted in the preparation of over forty amicus briefs filed with the Supreme Court and the courts of appeals, and worked on all appeals of the Department of Justice civil antitrust cases since 1985. He has published extensively on antitrust policy, with particular focus on market delineation and merger simulation.