Steven T. DeKosky (born 1947) is a medical researcher and academic known for his work in the field of Alzheimer's disease. DeKosky has served as professor and chairman of the Department of Neurology and director of the Alzheimer's Disease Research Center at the University of Pittsburgh. On August 1, 2008, DeKosky became Dean of the University of Virginia School of Medicine, an appointment announced June 12, 2008.
DeKosky received his bachelors degree from Bucknell University and completed graduate work in neuroscience and psychology at the University of Florida, graduating from the University of Florida College of Medicine in 1974. He completed a residency in internal medicine at Johns Hopkins Hospital and a three-year residency in neurology at the University of Florida concluding in 1978, then completed a postdoctoral fellowship in neurochemistry at the Clinical Neuroscience Research Center in U.Va.'s Department of Neurology, and his first academic appointment was in the Department of Neurology in 1979. In the 1980s he was on the faculty of the University of Kentucky College of Medicine where he co-founded the Alzheimer’s Disease Research Center. He became permanent chairman of the Department of Neurology at the University of Pittsburgh in 2002.
DeKosky has served in leadership roles for several National Institutes of Health research-related activities as well as the boards of directors of both the Alzheimer's Association USA and Alzheimer's Disease International. He is a member of the American Board of Psychiatry and Neurology, and chairs their Strategic Planning Committee. In addition, he serves on the editorial boards of six of the leading neurology and Alzheimer's clinical publications and is a journal reviewer for another 20 clinical journals.
DeKosky's research focuses on both the science and clinical care of Alzheimer's disease. He is currently leading a 3,000 person, National Institutes of Health-funded trial assessing the effectiveness of Ginkgo biloba in delaying or preventing the onset of dementia in healthy adults.