A graduate of University of Toronto medical school, first worked as staff pediatrician at the Hospital for Sick Children emergency department from 1983 to 1992, sometimes acting as chief of the emergency services. It was during those years that he found his calling and decided to campaign on the benefits of breastfeeding to both mothers and children. This advocacy eventually gained a lot of following and took more of his time from the hospital. He then decided to work full time in helping mothers and babies discover and enjoy the wonders of breastfeeding. This journey led him to open the Newman Breastfeeding Clinic and Institute based at the Canadian College of Naturopathic Medicine in Toronto.