Dr. Tim Guimond is a clinician scientist, a psychiatrist within Rainbow Services at CAMH; he is also a biostatistician and the mental health director at HQ (a health hub for gay, bisexual, and other men who have sex with men and transgender and nonbinary people). He provides clinical services to people with concurrent disorders, has experience teaching medical students, residents and students of other health disciplines in substance use treatments including Motivational Interviewing, Dialectical Behaviour Therapy, Community Reinforcement Approach and medication options. Tim’s educational background includes medical school at the Johns Hopkins University, a psychiatric residency at the University of Toronto, a Master’s of Science in Statistics, and a PhD in Biostatistics from the Dalla Lana School of Public Health at the University of Toronto. His research interests focus on psychotherapy, substance use disorders, HIV care, cost-effectiveness, and semi-parametric Bayesian statistical techniques applied to problems of causal modelling. He is the President of the Medical Staff Association at CAMH, and an Assistant Professor at the University of Toronto.