Dr. Eliassen is an Associate Professor of Medicine at Harvard Medical School and Associate Professor in the Department of Epidemiology at Harvard T.H. Chan School of Public Health, and is co-PI of the Nurses’ Health Study II. Dr. Eliassen’s research focuses on the associations between lifestyle factors, biomarkers of lifestyle and hormones, and breast cancer risk. One of her main interests is investigating modifiable risk factors to identify possible ways to reduce breast cancer risk