He is a Professor in the Departments of Medicine and Nutritional Sciences at the University of Toronto.
Dr. Leiter has several research interests including clinical trials on the prevention of atherosclerosis, especially in diabetes, and the dietary and pharmacologic treatment of diabetes mellitus, hyperlipidemia, hypertension, and obesity. He has over 500 publications in peer-reviewed journals. He was an investigator in many of the landmark diabetes trials including the DCCT, ACCORD, and ADVANCE and is on the Steering Committees of many ongoing outcome trials in both the diabetes and lipid areas.
Dr. Leiter is the Past-President of the Canadian Society of Endocrinology & Metabolism (CSEM) and is a past Chair of the Clinical and Scientific Section of the Canadian Diabetes Association (CDA). He has been involved in many national and international committees and consensus conferences including those of the International Diabetes Federation, CDA, Canadian Hypertension Education Program (CHEP), Canadian Cardiovascular Society (Dyslipidemia), and Obesity Canada.
For his work, he has received a number of awards including the CDA Frederick G. Banting Award and the American Diabetes Association Charles H Best Award (awarded to DCCT investigators), both for Distinguished Service, the 2005 CSEM Educator of the Year Award, and the 2006 CDA Gerald S. Wong Award in recognition of significant contributions to the diabetes community. He was also the inaugural winner of the St. Michael’s Hospital Complete Physician Award in 2009.