Neuropsychiatry Fellow, Department of Psychology, MGH Research Fellow, Depression Clinical and Research Program, MGH Instructor in Psychiatry, Harvard Medical School
Chief, Neurology Service, Massachusetts General Hospital Director, Amyotrophic Lateral Sclerosis Clinic, Massachusetts General Hospital Co-Director, Neuromuscular Division, Massachusetts General Hospital Julieanne Dorn Professor of Neurology, Harvard Medical School
Professor, Jim and Betty Ann Rodgers Eminent Scholar Chair of Developmental Neuroscience Director, Center for Brain Repair, Department of Biomedical Sciences, Florida State University College of Medicine