Dr. Ross D. Zafonte is a leading expert on traumatic brain injuries, concussion, and other neurological disorders having authored more than 300 peer-reviewed journal articles, abstracts and book chapters on these subjects and has cared for athletes of all ages for more than 20 years. He is the chief of Physical Medicine and Rehabilitation at Massachusetts General Hospital and Brigham and Women’s Hospital, as well as vice president of Medical Affairs Research and Education at Spaulding Rehabilitation Hospital.  Dr. Zafonte is the also principal investigator of the Football Players Health Study at Harvard Medical School where he is the Earle P. and Ida S. Charlton Professor and Chairman of the Department of Physical Medicine and Rehabilitation.