Katherine L. Tucker is a national expert on nutrition and the science behind it. Her research focuses on how we eat increases or decreases risk of heart disease and other chronic illnesses, osteoporosis, obesity, cognitive decline and metabolic syndrome, which can lead to Type 2 diabetes and cardiovascular problems.

She has led a number of national studies on how nutrition affects health and health disparities among diverse populations and has engaged in policy efforts on those topics. As the director of a National Heart, Lung and Blood Institute-supported center on population health and health disparities, Tucker studies the roles and interactions of stress, social support, diet, health behavior and genetic predisposition in relation to health disparities in Puerto Rican adults. 

Tucker has also collaborated on major studies of osteoporosis, heart disease, kidney disease, obesity and diabetes. A professor of nutritional epidemiology at UMass Lowell, Tucker has contributed to more than 250 scientific journal articles, has written textbooks and edited publications on nutrition and has served in leadership roles with the American Society for Nutrition. 

Tucker earned a bachelor of science degree in nutritional sciences at the University of Connecticut and a Ph.D. in nutritional sciences at Cornell University.