“What should I eat?” It’s a question that Dr. Walter Willett thinks about every day as a researcher focused on the intersection of diet, lifestyle and health.
 
Dr. Willett, a BCRF investigator since 2001, is widely considered a global leader on nutrition research. His research aims to characterize the impact of diet and lifestyle on health outcomes, especially in relation to breast cancer risk. As the most cited nutritionist worldwide, his work has influenced numerous health recommendations and continues to inform preventive strategies for breast cancer. Dr. Willett is Chair of the Department of Nutrition at Harvard School of Public Health.