L. Eugene Arnold, M.Ed., M.D. is a board-certified child & adolescent psychiatrist. He is Professor Emeritus of Psychiatry at Ohio State University, where he was formerly director of the division of child and adolescent psychiatry and vice-chair of psychiatry, and was recently interim director of the Nisonger Center university center of excellence in developmental disabilities. He graduated from Ohio State University College of Medicine magna cum laude, interned at University of Oregon, and took residencies at Johns Hopkins, where he earned the M.Ed., and served in the U.S. Public Health Service. He has 45 years’ experience in child psychiatric treatment research, including the multi-site NIMH Multimodal Treatment Study of Children with ADHD (“the MTA”), for which he continues as executive secretary and current chair of the steering committee. For his work on the MTA he received the NIH Director’s Award. He is co-investigator for the OSU site of the Research Units on Pediatric Psychopharmacology Autism Network, for which he chairs the steering committee. He has a particular interest in alternative and complementary treatments. His publications include 9 books, 70 chapters, and 245+ articles.