Susan Hankinson, RN, ScD, was PI of the NHS from 2006-2010 and she remains a Senior Investigator with both the NHS and NHS II. She is currently Professor and Chair of the Department of Biostatistics & Epidemiology at the University of Massachusetts, Amherst and Adjunct Professor of Epidemiology at the Harvard T.H. Chan School of Public Health. Dr. Hankinson’s research has focused on the roles of lifestyle factors and endogenous hormones on breast cancer risk, as well as the use of biological markers in epidemiologic studies.