The OSI Clinic provides specialized mental health assessment and treatment to clients and their families referred by Veterans Affairs Canada (VAC), RCMP, and the Department of National Defense (DND), who are experiencing work-related psychological stress and trauma (e.g. Posttraumatic Stress Disorder; Anxiety disorders; Depression; Chronic Pain, etc.). The services of the OSI Clinic are provided by an interdisciplinary team consisting of psychiatrists, psychologists, nurse clinicians, and social workers. As a member of an interdisciplinary team, the psychologist delivers mental health treatment services to clients.