Dr. Barr is a retired Professor of Neurology at the NYU Grossman School of Medicine with more than 30 years of experience in clinical practice, training, and research in the field of neuropsychology. He spent more than 20 years as the Director of the Neuropsychology Division in the Department of Neurology at the NYU-Langone Medical Center. He has served on committees and boards for various neuropsychological and psychological organizations, including a term as President of the Society for Clinical Neuropsychology (SCN). His research activities have focused on studies of epilepsy and sport-related concussion. He has served as a consultant to a number of professional and collegiate sports teams and is now in private practice focusing on clinical and forensic neuropsychology.