Title | Start Date | End Date |
| M.P. (Parry Sound—Muskoka) | 2006/01/23 | 2008/10/13 |
| M.P. (Parry Sound—Muskoka) | 2008/10/14 | 2011/05/01 |
| M.P. (Parry Sound—Muskoka) | 2011/05/02 | |
| Minister for the Federal Economic Development Initiative for Northern Ontario | 2006/02/06 | 2008/10/29 |
| Minister for the Federal Economic Development Initiative for Northern Ontario | 2011/05/18 | |
| Minister of Health | 2006/02/06 | 2008/10/29 |
| Minister of Industry | 2008/10/30 | 2011/05/18 |
| President of the Treasury Board | 2011/05/18 | |