Bar Association Offices

  • American Bar Association Representative to the United Nations (2008-2009)
  • Chair, American Bar Association Section of International Law and Practice (1993-1994); Louis B. Sohn Award for Public International Law (2009)
  • Co-Chair, American Bar Association Section of Litigation International Litigation Committee (1991-1992)
  • Co-Chair, American Bar Association United Nations Affairs Coordinating Committee (2000-2004); ABA Observer at the U.S. Mission to the U.N. (1999-2004)
  • Chair, Association of the Bar of the City of New York Council on International Affairs (1997-2000)
  • Chair, Association of the Bar of the City of New York Committee on International Law (1989-1992)
  • Co-Chair, American Bar Association Section of International Law and Practice International Commercial Arbitration Committee (1988-1990)
  • Chair, American Bar Association Section of International Law and Practice United Nations Activities Committee (1984-1986)
  • Chair, New York State Bar Association Committee on International Law (1979-1984)
  • Chair, New York State Bar Association Committee on International Dispute Resolution (1987-1990)
  • Chair, New York Courts Subcommittee of New York State Bar Association Task Force on New York Law in International Matters (2010-2011)

American Association for the International Commission of Jurists

  • Board of Directors (1995-present)

American Bar Foundation

  • Board of Directors (1998-2007)

American Law Institute (1995-present)

  • Adviser, Restatement of U.S. Law of International Commercial Arbitration (2009-2019)

American Society of International Law:

  • President (2004-2006)
  • Vice President (1999-2002)
  • Executive Committee (1996-1998, 1999-2002, 2003-2006)
  • Executive Council (1995-1998)
  • Counselor (2002-2004)
  • Chair of Nominating Committee (2008-2009)
  • Corresponding Editor, International Legal Materials (1982-present)

The Commercial Bar Association (COMBAR): Honorary Overseas Member

Council on Foreign Relations (1998-present)

Freedom House

  • Board of Trustees (2008-2017)
  • Secretary and Chair of Governance & Ethics Committee (2014-2017)

International Advisory Bodies:

  • NAFTA Advisory Committee on Private Commercial Disputes (1994-1999)
  • American Bar Association/Canadian Bar Association/Barra Mexicana Joint Working Group on the Settlement of International Disputes (1994-1999)

NFL Management Council/NFL Players Association

  • Appeals Arbitrator for Policy and Program on Substance Abuse and Policy on Performance-Enhancing Substances (2015-2023)

Other Advisory Boards:

  • Oxford Commentaries on American Law Editorial Advisory Board (2008-present)
  • American Bar Foundation/University of Illinois Center on Law and Globalization Advisory Board (2008-present).
  • Practising Law Institute (International Law Advisory Committee) (1983-1991, 1998-present)
  • The Center for American and International Law (1982-present; Vice-President of Advisory Board, 1992-1997)
  • World Arbitration and Mediation Report (1990-2008)
  • NAFTA: Law and Business Review of the Americas (1995-2000)
  • Cartoon News (1996-2001)