Massachusetts Bar Association, Boston, Massachusetts, United States (1978 - 2013) Member, Committee on Professional Ethics
Massachusetts Bar Association, Boston, Massachusetts, United States (1982 - 2013) Chair, Committee on Professional Ethics
Supreme Judicial Court, Boston, Massachusetts, United States (1984 - 1986) Member, Committee on Lawyer Solicitation
Supreme Judicial Court, Boston, Massachusetts, United States (1988 - 2002) Member, Advisory Committee on Judicial Ethics
Supreme Judicial Court, Boston, Massachusetts, United States (1991 - 1992) Member, Committee on Certification of Lawyer Specialization
Supreme Judicial Court, Boston, Massachusetts, United States (1995 - 1997) Member, Committee on the Model Rules of Professional Conduct
Supreme Judicial Court, Boston, Massachusetts, United States (1997 - 2013) Member, Standing Advisory Committee on the Model Rules of Professional Conduct
Supreme Judicial Court, Boston, Massachusetts, United States (1998 - 2002) Member, Committee on the Code of Judicial Conduct
Supreme Judicial Court, Boston, Massachusetts, United States (2008 - 2008) Member, Advisory Committee to Study Judicial Conduct Rule 3B(9)
Shady Hill School, Cambridge, Massachusetts, United States (1969 - 1976) Treasurer and Member, Executive Committee
Hillel Foundation of Cambridge, Inc., Cambridge, Massachusetts, United States (1977 - 1986) Treasurer
Hillel Foundation of Cambridge, Inc., Cambridge, Massachusetts, United States (1977 - 1990) Member, Executive Committee
Hillel Foundation of Cambridge, Inc., Cambridge, Massachusetts, United States (1977 - 2000) Member, Board of Directors, and Board of Trustees
Senator Warren's Advisory Committee, Boston/Springfield, Massachusetts, United States (2013 - Present) Advisory Committee on Massachusetts judicial nominations