Jack D. Sobel is a distinguished professor of medicine in the Department of Internal Medicine, the chief of the division of infectious diseases, Wayne State University School of Medicine, and the chief of the section of infectious diseases, Harper Hospital, Detroit Medical Center. Jack D. Sobel earned a MBBCh degree from the University of the Witwatersrand in 1965. Jack D. Sobel was a resident in pediatrics at Johannesburg Children’s Hospital (1967–1968), a resident in internal medicine at Baragwanath Hospital (1968–1970), a resident in cardiology at Rambam University Hospital (1971), a resident in internal medicine at Rambam University Hospital (1971–1972), a research fellow in infectious diseases at the Laboratory of Clinical Investigation, National Institute of Allergic and Infectious Diseases (1976–1977), and a fellow in infectious diseases at the Medical College of Pennsylvania (1977–1978). Jack D. Sobel also served as an assistant professor of medicine and a full-time lecturer in the Department of Internal Medicine, Technion School of Medicine (1973–1976), an assistant professor of medicine (1978–1979), and an associate professor of medicine (1981–1985) at the Medical College of Pennsylvania.