| 1. | Pierre Pettigrew | under Chr?ien | January 25 1996 - October 3 1996 |
| 2. | Don Boudria | under Chr?ien | October 3 1996 - June 10 1997 |
| 3. | Diane Marleau | under Chr?ien | June 11 1997 - August 2 1999 |
| 4. | Maria Minna | under Chr?ien | August 3 1999 - January 13 2002 |
| 5. | Susan Whelan | under Chr?ien | January 14 2002 - December 11 2003 |
| 6. | Aileen Carroll | under Martin | December 12 2003 - |
See other lists of incumbents