He is also a pediatric gastroenterologist in the Division of Gastroenterology, Hepatology and Nutrition at the Children’s Hospital of Eastern Ontario (CHEO), a scientist at the CHEO Research Institute, and an adjunct scientist at The Institute for Clinical Evaluative Sciences (ICES). He received a Bachelor’s of Science degree in biology and genetics from York University, and a medical degree from the University of Western Ontario. He also completed a residency in pediatrics at CHEO, fellowships in pediatric gastroenterology and inflammatory bowel diseases at The Hospital for Sick Children, and received a PhD in clinical epidemiology at the University of Toronto.