| Research Committee | 1945 - 1949 | ||
| Committee of the Journal | 1945 - 1953 | ||
| C.J.M. Editorial Board (1949-1985) | 1949 - 1975 | ||
| Research Committee | 1953 - 1961 | ||
| Vice-Presidents | 1953 - 1961 | ||
| Presidents | 1961 - 1963 | ||
| Nominating Committee | 1964 - 1965 | ||
| Publications Committee | 1965 - 1969 | ||
| Committees on School Mathematics | 1965 - 1969 | ||
| By-Laws and Constitution Committees | 1969 - 1971 | ||
| Committee for ICM 1974 | 1971 - 1974 | , served as chair |
