Jack Hoadley, Ph.D., is a research professor in the Health Policy Institute at Georgetown University, where he leads research projects on Medicare, Medicaid, and other health financing topics (with a particular focus on prescription-drug issues). Recent projects have included studies of: the use of formularies by Medicare drug plans; approaches used by Medicare beneficiaries to make choices relating to the Medicare drug benefit; the use of evidence-based medicine to manage pharmacy costs for Medicaid; and the effects of recent changes to Florida's Medicaid program. Dr. Hoadley received his M.A. and Ph.D. in political science from the University of North Carolina at Chapel Hill.