Cynthia R. Johnson, PhD, is the director of the Cleveland Clinic Center for Autism, Cleveland, Ohio, and is on the faculty of the Lerner College of Medicine at Case Western University. She has been awarded National Institutes of Health-funded and numerous other grants. A member of The RUBI (Research Units in Behavior Interventions) Autism Network, Dr. Johnson's recent research has been on the treatment of frequently co-occurring/associated problems in autism spectrum disorder, including disruptive behaviors, sleep disturbances, and feeding problems. Dr. Johnson is a licensed psychologist and a board-certified behavior analyst.

Eric M. Butter, PhD, is a clinical psychologist with specialization in autism spectrum disorder (ASD), attention-deficit/hyperactivity disorder (ADHD), and other neurodevelopmental disabilities and is an associate professor jointly appointed in pediatrics and psychology at The Ohio State University. Dr. Butter's research has focused on the biomedical correlates and potential etiologies of ASD and ADHD, as well as the disorders' psychological and medical treatment. He has been continuously involved in several autism research networks since 1999. Dr. Butter is the chief of psychology at Nationwide Children's Hospital in Columbus, Ohio, and continues to work on implementing and expanding parent training interventions for children with ASD.

Lawrence Scahill, MSN, PhD, is the director of clinical trials at the Marcus Autism Center in Atlanta, Georgia, and a professor of pediatrics at Emory University. He is a recognized leader in the design and conduct of clinical trials in children with neurodevelopmental disorders, such as autism spectrum disorder and Tourette's disorder. Dr. Scahill is an editor of Pediatric Psychopharmacology: Principles and Practice and coauthor of Parent Training for Disruptive Behavior in Children With Autism Spectrum Disorder. He has played a central role in the Research Units on Pediatric Psychopharmacology Autism Network and the Research Units on Behavioral Intervention.