FRED R. VOLKMAR, MD, is the Irving B Harris Professor Emeritus of Child Psychiatry at Yale University and the Dorothy B. Goodwin Family Chair in Special Education at Southern Connecticut State University. The author of several hundred articles on autism, Dr. Volkmar was the main author of the DSM-IV autism section and served as editor of the Journal of Autism for 15 years.

KEVIN A. PELPHREY, PhD, is Harrison Wood Jefferson Scholars Foundation Distinguished Professor at the University of Virginia. He also leads the NIH Autism Center for Excellence.

GIACOMO VIVANTI, PhD, is an Associate Professor at the A.J. Drexel Autism Institute, where he leads the Early Detection and Intervention research program. He is also an Associate Editor of the Journal of Autism and Developmental Disorders.