Greg is an investigator at the Lieber Institute and an assistant professor of pharmacology and molecular sciences at the Johns Hopkins University School of Medicine. Dr. Carr received a BA in Neuroscience from Kenyon College and his PhD in Neuroscience from the University of Pennsylvania. Prior to joining the Lieber Institute, Dr. Carr was a postdoctoral fellow in the Clinical Brain Disorders Branch of the National Institute of Mental Health and an adjunct instructor in the Department of Biology at Howard University.