Dr. Radtke is a professor of neurology at Duke University School of Medicine. He graduated from Northwestern University Medical School in 1980 and completed his neurology training at Duke University Medical Center in 1984. He joined the faculty at Duke in 1984 and has served as the medical director of both the Duke Comprehensive Epilepsy Center and the Duke Sleep Disorders Center. He previously served as the chief of the division of epilepsy and sleep in the department of neurology until 2018. He has over 100 scholarly publications in the area of epilepsy and sleep disorders. He is the past chairman of the American Board of Clinical Neurophysiology and presently serves on the editorial board of the Journal of Clinical Neurophysiology. His present research focus is on the genetic aspects of epilepsy, particularly the variation in the human genome that may contribute to epilepsy.