| Other Ad-Hoc Committees | 1971 - 1971 | , served as chair | |
| Vice-Presidents | 1973 - 1975 | ||
| Publications Ad-Hoc Committees | 1973 - 1975 | , served as chair | |
| Other Ad-Hoc Committees | 1975 - 1975 | , served as chair | |
| Applied Mathematics Notes Editorial Board | 1975 - 1978 | ||
| Presidents | 1979 - 1981 | ||
| Human Rights Committee Human Rights Committee * | 1984 - 1985 | , served as chair |
