Dr. Sievenpiper completed his MSc and PhD degrees and Postdoctoral Fellowship training in the Department of Nutritional Sciences, Faculty of Medicine, University of Toronto. He completed his MD at St. Matthew’s University, School of Medicine and followed with residency training in Medical Biochemistry at McMaster University, and his certification as a Fellow in the Royal College of Physicians of Canada (FRCPC).

Dr. Sievenpiper is currently a consultant physician in the Division of Endocrinology,
St. Michael's Hospital. He also maintains an active research program both as a scientist in the Li Ka Shing Knowledge Institute and as the Knowledge Synthesis lead of the Toronto 3D Knowledge Synthesis and Clinical Trials unit, St. Michael’s Hospital, University of Toronto. His research is focused on using meta-analytical techniques and randomized trials to investigate the role of diet in cardiometabolic risk. He is an investigator on several large projects including four Canadian Institutes of Health Research (CIHR) grants.

Dr. Sievenpiper has been appointed to various international expert committees on nutrition, including those of the Canadian Diabetes Association (CDA), the European Association for the Study of Diabetes (EASD) and the American Society for Nutrition (ASN). Dr. Sievenpiper has authored 100 scientific papers and 12 book chapters.