Professional Affiliations

American Society of International Law President 2000 – 2002; Executive Council 1997-present; Board of Editors American Journal of International Law 1977-1987.
American Bar Association  Chairman International Law Section 1985-1986;  Section’s Delegate to the ABA House of Delegates 1986-1987.
Council on Foreign Relations 1987-Present
Association of the Bar of the City of New York (Chairman, International Law Committee, 2009-2011)
Center for Public Resources (Panel on the Settlement of Transnational Business Disputes)
S. Council for International Business (Arbitration Committee).
LCIA member
ICC list of arbitrators
American Arbitration Association/ICDR list of arbitrators
ICSID arbitrator
NAFTA arbitrator
American Bar Foundation