Dr. Wortman has worked in family medicine, public health, medical administration and research. He has held senior management positions in Health Canada in Ottawa and Vancouver. For the past 15 years he has worked with low-carbohydrate ketogenic diet in both the research and practice settings. One of his studies was the subject of the Canadian Broadcasting Corporation documentary film, “My Big Fat Diet”. Dr. Wortman is a frequent presenter on the benefits of a low carbohydrate high fat diet at scientific meetings and continuing medical education events. He is a Clinical Assistant Professor in the Faculty of Medicine at the University of British Columbia and is a member of the Scientific Advisory Board of Atkins Nutritionals Inc. Dr. Wortman currently practices in West Vancouver where he uses a low carb high fat diet for the treatment of metabolic and inflammatory conditions.