Dr. Gregory M. Lucas is an associate professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include HIV/AIDS and infectious disease. Dr. Lucas received his undergraduate degree from the University of Notre Dame. He earned his M.D. from Duke University School of Medicine and his Ph.D. from Johns Hopkins. He completed his residency and performed a fellowship in infectious diseases at Johns Hopkins.He serves on the faculties of the Center for AIDS Research, where he is co-director of the Substance Use Scientific Working Group; the Center for Substance Abuse Treatment and Research; the Center for Adolescent Health; and the Heart and Vascular Institute.