Gabriel Cormier has been with the Ottawa Community Housing Corporation (OCH) since 2007. During that time, he has actively represented OCH at the Landlord and Tenant Board (LTB) in both official languages, as well as at the Small Claims Court and the Human Rights Tribunal.

Before joining OCH, Gabriel Cormier worked for five years at the Sudbury Community Legal Clinic, where he represented clients at the LTB and the Social Benefits Tribunal.