Andrew A. Vernon, MD, MHS, is Chief, Clinical Research Branch (CHSRB), Division of TB Elimination, at the U.S. Centers for Disease Control and Prevention. The branch conducts research involving the diagnosis, treatment, prevention and epidemiology of tuberculosis, and houses CDC’s TB Trials Consortium. Dr. Vernon has been particularly involved in clinical trials involving newer rifamycins, HIV-associated TB, and pharmacokinetics of TB drugs. Dr. Vernon served 2002-2009 as Chair of the Union’s (formerly IUATLD) Clinical Trials Programme Steering Committee. He served for 30 years in the Commissioned Corps of the U.S. Public Health Service. Presently he is also Clinical Assistant Professor of Medicine at Emory University School of Medicine, and Adjunct Associate Professor of Epidemiology at the Rollins School of Public Health.