Charles W. Flexner, M.D., is Professor of Medicine in the Divisions of Clinical Pharmacology and Infectious Diseases, and Professor of Pharmacology and Molecular Sciences in the Johns Hopkins University School of Medicine. He is also Professor of International Health in the Johns Hopkins University Bloomberg School of Public Health. Dr. Flexner is Deputy Director of the Institute for Clinical and Translational Research at Johns Hopkins, where he serves as Program Director for Clinical Research Units (CRU’s). He also serves as Associate Vice-Chair for Academic Fellowship Programs in the Department of Medicine, and Associate Director of the Graduate Training Programs in Clinical Investigation of the Johns Hopkins University School of Medicine and School of Public Health. Dr. Flexner currently serves as the Principal Investigator for the Johns Hopkins University AIDS Clinical Trials Unit (ACTU) supported by the NIH, and is Chair of the AIDS Clinical Trials Group (ACTG) Translational Research and Drug Development (TRADD) Committee. Dr. Flexner served as President of the American Federation for Medical Research (AFMR) in 1999-2000, and was President of the AFMR Foundation from 2001-2002. He was Vice-President of the American Society for Clinical Pharmacology and Therapeutics from 2001-2002, and served two terms on the Board of Directors of that Society. He currently serves on the editorial boards of 10 scientific journals. He served as a consultant on FDA reform to the United States House of Representatives, and has served on several FDA Advisory Committees. From 2003-2006, he chaired the Dean’s Task Force on Competencies and Curricula for Graduate Medical Education. He received the Professor’s Award for Distinction in Teaching at Johns Hopkins in 2000. His current research focuses on the basic and clinical pharmacology of drugs for HIV/AIDS and related infections including viral hepatitis and tuberculosis.