Dr. Farnan has worked in the field of occupational medicine and addiction medicine for more than twenty years. As well as being a member of the Occupational and Environmental Medical Association of Canada, he holds additional certification in Addiction Medicine and Family Practice, and he is a Clinical Associate Professor, Department of Family Practice at the University of British Columbia. His consulting with employers and unions has involved developing and delivering programs to assist employees whose work is impacted by addiction and mental health problems. He has assessed and provided treatment recommendations for thousands of individuals with addictive disorders, especially those involved in safety sensitive work. He has a particular interest in the interface between workplace safety and impairment at work as a result of prescription medication use, as well as illicit drug use.