American Bar Association:
   Commission on the American Jury Project: member, 2006-2008
   Commission on Multijurisdictional Practice: reporter, 2000-2002
   Coordinating Group on Bioethics and the Law: member, 1997-2003
   Criminal Justice Section: Chair, 2010-2011
   Section of Litigation: Council member, 2004-2007
   Standing Committee on Ethics and Professional Responsibility: member, 2008-2011
   Task Force on the Attorney-Client Privilege: reporter, 2004-2010
   Task Force on Law Schools and the Profession: consultant, 1991-1992

Association of the Bar of the City of New York: Executive Committee: 2010 to 2014

International Association of Legal Ethics: Director, 2010-13

National Conference of Bar Examiners: Member of MPRE Drafting Committee, 2001 to present

New York County Lawyers’ Association: Director, 2004-2007, 2008-2012

New York State Bar Association:
   House of Delegates member, 2003-2007, 2009 to 2015
   Committee on Professional Ethics: Chair, 1998-2001; member, 1991 to present