| Research Committee | 1945 - 1949 | ||
| Committee of the Journal | 1947 - 1953 | ||
| Board of Directors | 1949 - 1953 | ||
| Briefing Committee for the Royal Commission | 1949 - 1953 | ||
| Research Committee | 1949 - 1965 | , served as chair | |
| C.J.M. Editorial Board (1949-1985) | 1949 - 1971 | ||
| Vice-Presidents | 1953 - 1957 | ||
| Scholarship Committees | 1953 - 1957 | , served as chair | |
| Publications Ad-Hoc Committees | 1957 - 1957 | ||
| Research Ad-Hoc Committees | 1957 - 1959 | ||
| Presidents | 1957 - 1961 | ||
| Nominating Committee | 1960 - 1961 | ||
| Research Committee | 1965 - 1967 | ||
| Research Ad-Hoc Committees | 1965 - 1969 | ||
| History of Mathematics in Canada Committee | 1972 - 1973 |
