He is also chair of the Obesity Committee on the Council on Nutrition, Physical Activity and Metabolism of the American Heart Association, and he is part of the macrovascular subcommittee of the Canadian Diabetes Association for the Clinical Practice Guidelines for the management of diabetes in Canada 2008. Dr Poirier has a long-term interest in exercise, obesity, diabetes and cardiomyopathy and the role of weight loss and exercise in the management of these diseases.