| C.J.M. - C.M.B. Specialized Editors | 1968 - 1971 | ||
| Board of Directors | 1973 - 1977 | ||
| Canadian Mathematical Olympiad Committee | 1973 - 1978 | ||
| Other Ad-Hoc Committees | 1976 - 1977 | ||
| C.J.M. - C.M.B. Specialized Editors | 1978 - 1982 | ||
| Education Committee | 1979 - 1980 | ||
| Education Committee | 1981 - 1983 | , served as chair | |
| CMS Notes Specialized Editors | 1984 - 1985 | ||
| International Mathematical Olympiad Committee | 1986 - 1986 | , served as chair | |
| International Mathematical Olympiad Committee | 1987 - 1991 | , ex-officio | |
| Education Ad-Hoc Committees | 1989 - 1991 | ||
| Canadian Mathematical Olympiad Committee | 1990 - 1992 | , served as chair | |
| CMS Representatives to Other Societies | 1991 - 1993 | ||
| Canadian Mathematical Olympiad Committee | 1993 - 1994 | ||
| C.M.B. Editorial Board (1949-1985) | 1970 - 1970 |
