Marie-Pierre St-Onge is the Founding Director of the Center of Excellence for Sleep & Circadian Research and the Associate Professor of Nutritional Medicine at the Department of Medicine, Columbia University Irving Medical Center. She completed her B.S., M.S., and Ph.D. in Human Nutrition at McGill University. After graduating, she joined the New York Obesity Nutrition Research Center and the Institute of Human Nutrition as a Post-Doctoral Fellow to further her knowledge in the area of energy metabolism and body composition. She joined the University of Alabama at Birmingham as an Assistant Professor in 2004 and returned to Columbia University as Assistant Professor in 2007. She is a member of the American Heart Association, the Sleep Research Society, and the American Society for Nutrition. Her research is focused on identifying the causality of the association between lifestyle behaviors, such as diet and sleep, and cardio-metabolic risk.