Specializes in occupational addiction medicine. Dr. Baker has assessed and provided treatment recommendations for several thousand individuals with addictive disorders many suffering from concurrent medical psychiatric and pain conditions. He consults with organizations in policy development and management of issues related to workplace mental health and addictions. He has testified in many labour arbitrations, human rights tribunals and court proceedings as an expert in Addiction Medicine. At the UBC Medical School he developed and taught the nationally acclaimed Addiction Medicine curriculum for 5 years. He wrote a chapter on Alcoholism in Conn’s Current Therapy, a medical textbook. As occupational addiction medicine consultant to the Railway Association of Canada he developed the medical rules for safety critical Canadian railway workers with substance use disorders. He serves on the Editorial Board of the Journal of Addictive Diseases.