American Arbitration Association

  • Board of Directors and Executive Committee (1992-2007; ex officio, 2007- 2016)
  • Honorary Director (2016-present)
  • Chairman of the Board (2004-2007)
  • Chair, Executive Committee (2001-2004)
  • Chair, Nominating and Governance Committee (2007-2010; member, 2011-2013)
  • Co-Chair, Task Force on Production of Documents (2007-2008)
  • Chair, Arbitration Law Committee (2000-2001; member, 2013-present)
  • Co-Chair, Corporate Counsel Committee (1993-2000)
  • Chair, Governance Committee (1996-2000)

The College of Commercial Arbitrators

  • Director (2000-2002)
  • Co-Chair, Public Policy Committee (2009-present)

Commercial Arbitration and Mediation Center for the Americas

  • Roster of Arbitrators (1996-present)

Court of Arbitration for Sport, Lausanne

  • Member of the Court (2000-present)

CPR International Institute for Conflict Prevention and Resolution

  • Arbitrator Challenge Review Board (2000-present)
  • Rules Revision Committee (1999-2000)
  • Information Exchange Working Group (2007-2009)
  • Arbitration Committee (2005-present)

The Institute for Transnational Arbitration

  • Advisory Board (1988-2000)

International Chamber of Commerce Forum on ADR (2000-present)

The International Arbitration Club, London (1997-present)

The International Arbitration Club of New York (co-founder) (2010-present)

International Arbitration Institute, Paris

  • Correspondent for New York (1999-present)

Japan Commercial Arbitration Association

  • Panel of Arbitrators (2004-present)

London Court of International Arbitration

  • Vice President, North American Council (1992-2006)
  • Member of the Court (1998-2005)
  • Member of the Company (2005-present)

New York International Arbitration Center, Inc.

  • Chair of the Board (2016-2019)
  • Vice-Chair of the Board (2012-2016)

Swiss Arbitration Association (1998-present)

U.S. Council for International Business, Committee on Arbitration (1982-present)

World Intellectual Property Organization

  • Arbitration Consultative Commission (1994-2002)