| Al | Mawani | Telus | 94 |
| Ijade | Maxwell Rodrigues | York University | 5 |
| Joseph | Mayer | Canadian Medical Association | 79 |
| Joseph | Mayer | Canadian Medical Association | 79 |
| Merryn | Maynard | Maple Leaf Foods | 94 |
| Michael | McAdoo | Boston Consulting Group | 36 |
| Charles | McCulloch | Rideau Hall Foundation | 35 |
| Gina | McDougall Wilson | Indigenous Services Canada | 51 |
| Susan | McGeachie | Global Climate Finance Accelerator | 49 |
| Suzanne | McGurn | Canada's Drug Agency | 68 |
| Jane | McKenna | PortsToronto | 67 |
| Kwame | McKenzie | Wellesley Institute | 82 |
| Jeremy | McKenzie | CIBC | 34 |
| Jennifer | McLeod Macey | Leger | 57 |
| Monte | McNaughton | (not set) | 37 |
| Paris | Meilleur Semansky | People for Education | 37 |
| Matthew | Mendelsohn | Social Capital Partners | 50 |
| Liv | Mendelsohn | Canadian Centre for Caregiving Excellence, a program of the Azrieli Foundation | 40 |
| Marco | Mendicino | Government of Canada | 33 |
| Shaz | Merwat | RBC | 71 |
