Dr. David Ma is a Professor and Director of the Guelph Family Health Study (GFHS) at the University of Guelph. He has published over 150 peer-reviewed nutrition papers from cells, to experimental models of cancer prevention to family nutrition. As the Director of the GFHS, a longitudinal cohort study of families with young children, he leads a team of investigators and trainees to better understand determinants of health. The goal is to develop tools and approaches to support healthy behaviours for the prevention of chronic diseases.