Dr. Scott Macdonald draws on his career of research experience and educational training in Psychology, Criminology and Epidemiology and Biostatistics. His work experience includes 40 years of research at the Centre for Addiction and Mental Health and at the University of Victoria (Canadian Institute for Substance Use Research and School of Health Information Science). The focus of his research has been on studies designed to understand the relationship between substance use (primarily alcohol, cannabis and cocaine) and injuries. These studies include injuries/accidents in the workplace and vehicle crashes. Dr. Macdonald has been an expert in over 20 Canadian hearings.