Former World Anti-Doping Agency chief Dick Pound is joining the reserves.
Pound, who now serves as a Vancouver Olympic organizing committee board member, will be named Sunday as honorary Lieutenant-Colonel of the Canadian Grenadier Guards.
The Department of National Defence says Pound will be responsible for ensuring that the unit's values and traditions continue.
The Montreal-based Canadian Grenadier Guards reserve infantry battalion is the country's oldest militia unit.
Pound, an officer of the Order of Canada, will be formally inaugurated by Lt.-Col. Henry Gourdji following the regiment's annual Remembrance Day parade.