Trustee Yale University School Fund, 1974-1977, New York University Real Estate Institute, 1983-1989. Chairman, board directors Fund for Religious Liberty, 1987-1988. President American Jewish Congress, 1988-1994.
Chairman International Board United States Middle East Project council foreign relations, since 1994. President Israel Policy Forum, 1994-1996, chairman board, 1996-1997, chairman emeritus, since 1997. Board directors HIAS, 1990-1996, Builders for Peace, since 1993, Abraham Fund, 1993–2006, Besa Institute, since 1994, Tel Aviv Museum, 1996-1900, Georgia O'Keeffe Museum, 1999-1902.
Member executive committee AIPAC, 1990-1993. Vice-chairman NJCRAC, 1994-1996. Executive committee AIPAC, 1993-1996.
Co-chairman United States Middle East Project, Council on Foreign Relations, since 1994, International Center Public Health, 1999-1905. Trustee American Friends of Bar Ilan University, 1996-1902, member global board trustees, 1997-1905. Board directors Public Health Research Institute, 1996-1905, vice chairman, 1997-1998, chairman, 1998-1904, chairman emeritus, since 2004.
Served to lieutenant (junior grade) United States Navy, 1952-1955. Member Order of Coif, Beta Gamma Sigma.