| International Mathematical Olympiad Committee | - | , ex-officio | |
| Board of Directors | 1975 - 1977 | ||
| Canadian Mathematical Olympiad Committee | 1978 - 1980 | , ex-officio | |
| Vice-Presidents | 1989 - 1991 | ||
| CMS Representatives to Other Societies | 1990 - 1991 | ||
| Nominating Committee | 1992 - 1993 | , served as chair | |
| Nominating Committee | 1994 - 1995 |
