Erin Brantley, M.P.H., Ph.D. (cand.), is a senior research associate at the Center for Health Policy Research, Department of Health Policy and Management, in the Milken Institute School of Public Health at the George Washington University. Her research interests focus on using rigorous quantitative and qualitative methods to improve health care and health policy. Ms. Brantley has examined issues including the health care safety net and the use of preventive services by low-income populations.