Sarah K. Browne, M.D., practices in the areas of internal medicine and infectious diseases in the Washington, DC area, affiliated with the VA Medical Center and MedStar Washington Hospital Center, and is Senior Director, Vaccine Development at Altimmune. Prior to joining Altimmune, she served as Senior Advisor, Clinical at the Food and Drug Administration (FDA) in the Division of Vaccines and Related Product Applications, Office of Vaccines Research and Review (OVRR), part of the Center for Biologics Evaluation and Research (CBER). In this role she engaged in clinical, regulatory, and policy decisions intended to facilitate development of investigational vaccine candidates. She also served as a clinical reviewer on numerous original biologics license applications and investigational new drug applications. Before joining the FDA, Dr. Browne was an Assistant Clinical Investigator in the Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health (NIH).