Francisco González-Scarano, M.D., is professor and chair of the Department of Neurology and professor in the Department of Microbiology at the University of Pennsylvania. He also co-directs the Penn Center for AIDS Research. His expertise is in HIV neuropathogenesis, other aspects of neurovirology, and inflammatory diseases of the nervous system such as multiple sclerosis. He received his undergraduate degree in economics (cum laude) from Yale University and his medical degree from Northwestern University. Dr. González-Scarano is on the editorial board for the journals Glia, Virus Research, Journal of Neurovirology, Virology, and Journal of Virology. He has served on advisory groups for the NIH and for various professional societies. He was a Harry Weaver Neuroscience Scholar, National Multiple Sclerosis Society, from 1982 to 1987 and is a member of the Alpha Omega Alpha honor medical society and several professional societies.