Dr. Ma’s research continues to examine the role of bioactive fatty acids (omega-3 and omega-6 fatty acids) in breast cancer prevention and developing a greater understanding of fatty acids as biomarkers. He also founded and leads the Guelph Family Health Study (GFHS). The GFHS is focused on understanding the determinants of health in families with young children and testing interventions to support healthy lifestyle habits with the goal of preventing childhood obesity. Dr. Ma’s expertise has been sought in the development of a Health Canada disease-reduction health claim for unsaturated fat, reviewer for national and international funding agencies, provided consultation to the food industry on dietary fats, and past member of industry advisory boards. In a professional capacity, he have served on the Board and executive roles including, President of the Canadian Nutrition Society for over a decade.