He is Assistant Professor in the Department of Family and Community Medicine and the Dalla Lana School of Public Health, and lectures at the Centre for Environment, at the University of Toronto. He also works with Health Canada as physician-epidemiologist in the Air Quality Health Index program. He graduated from the University of Cape Town Medical School, studied family medicine at the University of Toronto, and obtained a Diploma in Environmental Health at McMaster University in 1997. He is co-author of: Addressing the health effects of climate change: Family physicians are key, and A Curriculum in environmental health for family medicine for the Ontario College of Family Physicians, and a number of publications on environmental health, including the series Identifying and managing adverse environmental health effects in the Canadian Medical Association Journal. Co-Convenor or other office bearers