Dr. George W. Korch is the senior science advisor to the assistant secretary for Preparedness and Response, Health and Human Services, and is a visiting professor in the Department of Molecular Microbiology and Immunology at the Johns Hopkins Bloomberg School of Public Health. Dr. Korch retired from the U.S. Army Medical Department in 2008, where he had served in a number of leadership roles, including the Commander of the U.S. Army Medical Research Institute of Infectious Diseases and the director of the Department of Defense Medical Chemical and Biological Defense Research Program. He also served as one of the first directors of the National Biodefense Analysis and Countermeasure Center, Department of Homeland Security. His area of expertise is in viral and rickettsial zoonotic diseases and in medical countermeasure development (vaccines, therapies and diagnostics) for biodefense needs. He serves or has served on such committees as the Institute of Medicine’s Forum on Microbial Threats, the State of Maryland’s Life Sciences Advisory Board, and with the Standards Development Committee for the American Type Cell Culture.