Board directors New York branch English-Speaking Union United States, 1963-1997, chairman, 1972-1988. Board directors Goodwill Industries of Greater New York, since 1965, president, 1970-1982, chairman, since 1982. Managing director Metropolitan Opera Association, New York City, since 1966, secretary, 1974-1986, vice president, 1986-1993, chairman Executive Committee, since 1993.
Board directors Metropolitan Opera Guild, Incorporated, New York York City, since 1965, chairman executive committee, 1968-1970, 74-79, 1st vice president, 1979-1986, president, since 1986. Board directors Lincoln Center for Performing Arts, New York City, since 1986. Trustee Signet Associates, Cambridge, Massachusetts, 1957-1973, treasurer, 1957-1973, honorary trustee, since 1973.
Council Fellows Pierpont Morgan Library., since 1995, vice chairman, since 1996, fellow Frick Collection. Trustee Academy American Poets, New York City, since 1988, treasurer, since 1993. Trustee Cathedral of St. John the Divine, 1991-1995.
Member American Bar Association, New York State Bar Association, Association of Bar of City of New York, American Judicature Society, American College Probate Counsel, Century Association, Church Club, Grolier Club (council since 1994), Harvard Club New York City, Knickerbocker Club (board governors 1986-1992, 94-98), Pilgrims Club of Odd Volumes.