| 1956—1957 | G.S. MacKenzie | (Geology) |
| 1957—1958 | W. Stewart MacNutt | (History) |
| 1958—1959 | Arnold L. McAllister | (Geology) |
| 1959—1960 | Edward D. Maher | (Business) |
| 1960—1961 | Hugh J. Whalen | (Economics & Pol Science) |
| 1961—1962 | A.L. Levine | (Economics) |
| 1962—1963 | A.R.A. Taylor | (Biology) |
| 1963—1964 | Edward D. Maher | (Business) |
| 1964—1966 | Reuben L. Rosenberg | (Mathematics) |
| 1966—1967 | George R. McAllister | (Law) |
| 1967—1968 | Douglas Pullman | (Sociology) |
| 1968—1969 | Douglas G. Brewer | (Chemistry) |
| 1969 | Perry Robinson | (Philosophy) |
| 1969—1971 | Israel Unger | (Chemistry) |
| 1971—1973 | Harold Sharp | (Business) |
| 1973—1974 | George P. Semeluk | (Chemistry) |
| 1974—1975 | D.M. Fellows | (Computer Science) |
| 1975—1976 | Irene Leckie | (Nursing) |
| 1976—1978 | A.C. Lister | (Romance Languages) |
| 1978—1980 | Ronald M. Lees | (Physics) |
| 1980—1982 | Jon Thompson | (Mathematics & Statistics) |
| 1982—1984 | Gerald Clarke | (Education) |
| 1984—1986 | Allan Sharp | (Physics) |
| 1986—1989 | Richard McGaw | (Economics) |
| 1989—1991 | Jennie Hornosty | (Sociology) |
| 1991—1993 | Gail Storr | (Nursing) |
| 1993—1995 | Jacob van der Linde | (Physics) |
| 1995—1997 | Peter Kepros | (Psychology) |
| 1997—1999 | Lloyd Waugh | (Civil Engineering) |
| 1999—2001 | Melanie Wiber | (Anthropology) |
| 2001—2002 | Esam Hussein | (Mechanical Engineering) |
| 2002—2004 | Donald Fields | (Psychology) |
| 2004—2006 | Francesca Holyoke | (Science & Forestry Library) |
| 2006—2008 | Saba Mattar | (Chemistry) |
| 2008—2010 | David Bell | (Law) |
| 2010—2011 | Jennie Hornosty | (Sociology) |
| 2011—2012 | Jula Hughes | (Law) |
| 2012—2015 | Miriam Jones | (Humanities & Languages) |
| 2015—2017 | Allan Reid | (Culture & Media Studies) |
| 2017—2018 | Sue Blair | (Anthropology) |
| 2018—2020 | Vlad Tasić | (Mathematics & Statistics) |