Thomas Glück, M.D., is Professor of Medicine at the University of Regensburg; former Chief, Department of Internal Medicine, District Hospital Trostberg; and former Chief, Infectious Diseases Consulting Service, District Hospitals, Traunstein and Trostberg, Bavaria, Germany. A member of the Bavarian infectious diseases specialty board, he received his specialty training in the U.S. His research interests include clinical sepsis, pathogenesis of sepsis, and infections in immunocompromised patients.