Prof. J. Gregory Sidak

Chairman and Founder, Criterion Economics

J. Gregory Sidak is the founder and chairman of Criterion Economics, L.L.C. in Washington, D.C. and the Ronald Coase Professor of Law and Economics at Tilburg University in The Netherlands.  He is an internationally recognized expert on antitrust, intellectual property, regulation of network industries, and complex economic litigation.  Professor Sidak has testified as an expert witness in scores of proceedings before courts, regulatory commissions, international commercial arbitration panels, and committees of Congress.  He has served in the U.S. government as both an economist and a lawyer.  Professor Sidak has been a consultant to the Antitrust Division of the U.S. Department of Justice, the Republic of Mexico, and the Competition Bureau of Canada, as well as to major corporations in North America, Europe, Asia, and Australia.  Professor Sidak edits the Journal of Competition Law & Economics for the Oxford University Press and has written extensively on antitrust, intellectual property, and regulation.  His books and articles have been cited by the Antitrust Division, the Federal Trade Commission, the Federal Communications Commission, the Supreme Court of the United States, the Supreme Court of Canada, the European Commission, the U.S. Court of Appeals for the D.C.  Circuit, the Supreme Court of California, and many other courts and regulatory commissions.  Professor Sidak has taught at the Yale School of Management and the Georgetown University Law Center.  He was educated at Stanford University and clerked for Judge Richard A. Posner.


  • J.D., Stanford University
  • A.M. in Economics, Stanford University
  • A.B. in Economics, with Honors and Distinction, Stanford University

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Publications and Multimedia
Antitrust Enforcement and Price Squeeze - Event Audio/Video
The Future of Business Law in Mexico
October 20, 2011