Trustee Simon's Rock College, Great Barrington, Massachusetts, 1976-1979, Action for Soviet Jewry, Waltham, Massachusetts, 1986-1990. Chairman board overseers Simon's Rock College of Bard, Great Barrington, 1979-1996. Vice-chairman board trustees Bard College, 1979-1992.
Member department astrophysics advisory council Princeton University, since 1984, chairman, since 1989. Member visiting committee department European Decorative Arts and Sculpture, Museum Fine Arts, Boston, since 1986. Board directors Massachusetts Foundation for Humanities and Public Policy, 1989-1995.
Member steering committee Project Exodus-Combined Jewish Philanthropies, 1990-1993. Member Viola da Gamba Society of America, Viola da Gamba Society Great Britain, Anti Defamation League (member executive committee New England regional chapter since 1985).