BA in Asian Studies, University of Michigan; JD, Columbia Law School. Leading expert in international trade, investment and Asia-Pacific. 1989-93, Deputy Assistant US Trade Representative for Japan and China, involved in all bilateral trade negotiations; 1997-2000, Executive Director, international antitrust advisory committee to the Attorney-General and Assistant Attorney-General for Antitrust, US Department of Justice; 2003-07, Member, World Trade Organization's Appellate Body. Since 1994, at Columbia University: currently, Dean, School of International and Public Affairs; Professor of International Economic Law. Board member of several technology and financial services companies and several non-profit organizations. Author of several books and numerous articles.