Dr. Ahmed Bayoumi is a Scientist at MAP Centre for Urban Health Solutions at the Li Ka Shing Knowledge Institute of St. Michael’s Hospital, where he is also a general internist and Human Immunodeficiency Virus (HIV) physician. He holds the Fondation Baxter and Alma Ricard Chair in Inner City Health at St. Michael’s Hospital and the University of Toronto and is a Professor in the Department of Medicine and in the Institute of Health Policy, Management and Evaluation at the University of Toronto. He is a Senior Adjunct Scientist at ICES. He has extensive experience in translating research to policy (member of the Canadian Drug Expert Committee, past Scientific Director of Converge3, past president of the international Society for Medical Decision Making, and past Director of Clinical Epidemiology and Health Care Research at the University of Toronto). He has co-led large multi-method studies, including the highly impactful Toronto and Ottawa Supervised Consumption Assessment (TOSCA) and the Marginalization and COVID-19 (MARCO) studies. His research interests include the delivery of health services, particularly to people who use drugs, people living with HIV, and other marginalized populations. He is a member of HMRAC (the Homelessness, Mortality, Research and Advocacy Coalition), an academic – community collaboration that meets regularly to discuss how research can address issues related to homelessness.