Jen Sacheck, PhD


Associate Professor

Dr. Sacheck is an associate professor of nutrition at the John Hancock Research Center on Physical Activity, Nutrition, and Obesity Prevention within the Friedman School of Nutrition Science and Policy at Tufts University. Dr. Sacheck has a master's degree in exercise science and a doctorate in nutrition science from Tufts University and completed a post-doctoral fellowship at Harvard Medical School in muscle physiology. She is an active member of both the American College of Sports Medicine and The Obesity Society.

Dr. Sacheck's research focuses on the interplay between diet, physical fitness, obesity, and health outcomes. Past studies include examining the effects of nutrition and exercise on muscle physiology in young and older adults and on cardiovascular disease risk factors in children. With funding from the National Institutes of Health, Dr. Sacheck is currently conducting a large clinical trial on vitamin D deficiency and associated health risks in schoolchildren (The Daily D Study). She has authored several pivotal reports on obesity and physical activity in New England and was an appointed member of the Institute of Medicine's committee on Fitness and Health Outcomes in Youth. Dr. Sacheck also recently co-authored her first book on sound nutrition and exercise principles - Thinner This Year.