Dr. Sherry H. Stewart is a professor in the Departments of Psychiatry, Psychology, and Community Health and Epidemiology at Dalhousie University, as well as a licensed clinical psychologist in the province of Nova Scotia. She is well known for her research on psychological factors contributing to alcohol abuse, pathological gambling, and the comorbidity of mental health and addictive disorders. Dr. Stewart is also a world-renowned researcher for substance use. Dr. Stewart is a registered clinical psychologist and also part of the mental health leadership team. Collaboratively, the mental health leadership team provide extraordinary knowledge and experience in OSI research, assessment, and treatment, as well as internationally renowned expertise in research design and implementation.