Liz Bell, PhD, is an Epidemiologist in the Therapeutics and Infectious Disease Epidemiology group at the Department of Population Medicine at the Harvard Pilgrim Health Care Institute and Harvard Medical School. She is currently a researcher on post authorization vaccine safety studies as well as the FDA-sponsored Sentinel Initiative for drug safety surveillance. Her experience and publications span a wide range of topics, including cardiovascular, vaccines, oncology, pregnancy, and leveraging electronic health record and claims data for research. Dr.