| Zone I | |
| (Nova Scotia, New Brunswick, Prince Edward Island & Newfoundland) | |
| 2025 – Present | Allan Callard, Charlottetown, PEI |
| 2020 – 2025 | Kathie Macnab, Halifax, NS |
| 2019 – 2020 | Wade Short, Pointe du chene, NB |
| 2010 – 2018 | Kathie Macnab, Halifax, NS |
| 2004 – 2009 | Michael Hartop, Ammon, NB |
| 2001 – 2003 | Mary Moulton, Halifax, NS |
| 1998 – 2000 | Leo Weniger, Halifax, NS |
| 1992 – 1997 | George Holland, Dartmouth, NS |
| 1989 – 1991 | John Goldberg, Halifax, NS |
| 1986 – 1988 | George Colter, Fredericton, NB |
| 1983 – 1985 | Victor Goldberg, Halifax, NS |
| 1977 – 1982 | James D. Harper, Fredericton, NB |
| 1975 | Robert Hambly, Halifax, NS |
| 1974 – 1976 | Richard Brown, Halifax, NS |
| 1972 – 1974 | Karl Hicks, Dominion, NS |
| 1970 – 1971 | Richard Glube, Halifax, NS |
| 1966 – 1969 | Donald W. Dobson, Halifax, NS |
| Zone II | |
| (Quebec and Eastern Ontario) | |
| 2025 – Present | Deborah Harper, Ottawa, ON |
| 2022 – 2024 | Howard Huynh, Ottawa, ON |
| 2021 – 2021 | Ronald Carrière, Kirkland, QC |
| 2019 – 2020 | Hugues Boisvert, Montreal, QC |
| 2017 – 2018 | Marc Lachapelle, Montreal, QC |
| 2014 – 2017 | André Chartrand, Montreal, QC |
| 2003 – 2014 | Jean Castonguay, Ville de Lery, QC |
| 2003 | George Retek, Montreal, QC (August to September) |
| 2003 | Doug Heron, Ottawa, ON (January to August) |
| 2002 | Marc Fiset, Chicoutimi, QC |
| 1990 – 2001 | Doug Heron, Ottawa, ON |
| 1986 – 1989 | Douglas Fraser, Ville Mont Royal, QC |
| 1983 – 1985 | Michael Kenny, Montreal, QC |
| 1981 – 1982 | Anna Boivin, Montreal, QC |
| 1977 – 1980 | Eric Kokish, Montreal, QC |
| 1975 – 1976 | Jean La Traverse, Montreal, QC |
| 1970 – 1974 | Sam Maltin, Montreal, QC |
| 1966 – 1969 | Aaron Goodman, Montreal, QC |
| Zone III | |
| (Central Ontario) | |
| 2024 – Present | Terry Du, Maple, ON |
| 2021 – 2023 | Stephen Laufer, Toronto, ON |
| 2021 – 2021 | Susan Cooper, Toronto, ON |
| 2006 – 2020 | Nader Hanna, Toronto, ON |
| 2002 – 2005 | James Priebe, Toronto, ON |
| 1999 – 2002 | Ray Lee, Toronto, ON |
| 1997 – 1999 | Eric Sutherland, Toronto, ON |
| 1994 – 1996 | John Carruthers, Toronto, ON |
| 1987 – 1993 | Katie Thorpe, Toronto, ON |
| 1985 – 1987 | David Lindop, Toronto, ON |
| 1982 – 1984 | Karen Alison, Toronto, ON |
| 1979 – 1981 | Andy Altay, Toronto, ON |
| 1976 – 1978 | Alex F. Kisin, Toronto, ON |
| 1969 – 1975 | William a. Robinson, Toronto, ON |
| 1966 – 1967 | Charles D. Jane, Woodstock, ON |
| 1965 – 1966 | Eric R Murray, Toronto, ON |
| Zone IV | |
| (Northwestern and Western Ontario & Southern Manitoba) | |
| 2021 – Present | Freddie Mykytyshyn, Winnipeg, MB |
| 2010 – 2021 | Neil Kimelman, Winnipeg, MB |
| 2004 – 2009 | Francis Gaudino, Thunder Bay, ON |
| 1995 – 2003 | Bill Treble, Winnipeg, MB |
| 1994 | Harris, Sudbury, ON |
| 1989 – 1994 | Gim Ong, Winnipeg, MB |
| 1985 – 1988 | Douglas J. Cannell, Winnipeg, MB |
| 1976 – 1984 | Helen Shields, Thunder Bay, ON |
| 1965 – 1975 | Douglas J. Cannell, Winnipeg, MB |
| Zone V | |
| (Northern Manitoba, Saskatchewan & Alberta) | |
| 2024 | Marcia Andreychuk, Calgary, AB |
| 2023 | Nicholas Gartaganis, Calgary, AB |
| 2011 – 2023 | Jerry Mamer, Saskatoon, SK |
| 2006 – 2010 | Alex Fowlie, Edmonton, AB |
| 2005 | Joe Kerger, Saskatoon, SK |
| 2002 – 2004 | Claire Jones, Regina, SK |
| 1999 – 2001 | Nicholas Gartaganis, Calgary, AB |
| 1997 – 1998 | Jerry Mamer, Stoughton, SK |
| 1993 – 1997 | Gary Mitchell, Regina, SK |
| 1991 – 1992 | Allan Simon, Calgary, AB |
| 1981 – 1991 | Richard G. Anderson, Regina, SK |
| 1971 – 1980 | Jack Murphy, Calgary, AB |
| Zone VI | |
| (British Columbia) | |
| 2021 – Present | Shelley Burns, Vancouver, BC |
| 2015 – 2020 | Angela Fenton, Vancouver, BC |
| 2006 – 2014 | Peter Morse, Victoria, BC |
| 2003 – 2005 | Douglas Fraser, Victoria, BC |
| 2000 – 2002 | Jennifer Ballantyne, Vancouver, BC |
| 1985 – 2000 | Aidan Ballantyne, Vancouver, BC |
| 1984 | Leslie Gold, Vancouver, BC |
| 1980 – 1984 | Douglas Andrews, Vancouver, BC |
| 1977 – 1980 | Sandra Borg, Vancouver, BC |
| 1966 – 1976 | Henry Smilie, Vancouver, BC |