| Board of Directors | 1979 - 1983 | ||
| Publications Committee | 1982 - 1984 | ||
| Vice-Presidents | 1983 - 1985 | ||
| Publications Committee | 1988 - 1990 | , ex-officio | |
| C.J.M. - C.M.B. Scientific Editorial Board (1986 onwards) | 1990 - 1990 | ||
| Canadian Mathematical Olympiad Committee | 1975 - 1977 |
