| Title | Member, Board of Directors |
| Start Date | 2007-04-28 |
| End Date | 2013-12-00 |
| Is Current | no |
| Board member | yes |
| Notes | General Cosgrove has been a Board member for nearly six years split across two separate terms. He has been the Chair of the Board Governance sub-committee, which successfully oversaw the introduction of the new Australian Rugby Union Constitution and has provided reliable service to Rugby in his time as a Board member. |