CUPE Local 543 Executive Board 2020-2022
| POSITION | NAME | Contact |
| President | David Petten | dpetten@cupe543.ca |
| 1st Vice President | Mary Carroll | mcarroll@cupe543.ca |
| 2nd Vice President | Kelly Poisson | kpoisson@cupe543.ca |
| Recording Secretary | Diane Weaver | 519.254.3543 |
| Acting Treasurer | Dawn Vandenham | dvandenham@cupe543.ca |
| Sergeant-At-Arms | Amanda Brazeau | abrazeau@cupe543.ca |
| Acting Chief Steward | Mark Vander Voort | mvvoort@cupe543.ca |
| Member-At-Large | Vacant | |
| Member-At-Large | Kristin MacLaren | 519.254.3543 |
| Member-At-Large | Vacant | |
| Chairperson – Health Unit | Roy Fells | 519.254.3543 |
| Chairperson – ABC Day Nursery | Stacey Laforet | 519.254.3543 |
| Chairperson – 543.5 | ||
| Chairperson – Community Housing | Tara Grinage | 519.254.3543 |
| Chairperson – Synagro | Randy Ducharme | 519.254.3543 |
| Chairperson – Great Beginnings | Heather McGuire-Rainone | 519.254.3543 |
| Chairperson – Seasons Amherstburg | Joan Leavitt | 519.254.3543 |