Karen Ratliff-Schaub, MD, is Director of the Diagnostic Program at the Child Development Center at Nationwide Children’s Hospital. She is a Clinical Associate Professor of Pediatrics at The Ohio State University College of Medicine. Dr. Ratliff-Schaub is also the Medical Director at The Nisonger Center for Developmental Disabilities at The Ohio State University. Her primary clinical, research and educational activities include autism, attention deficit hyperactivity disorder and developmental disabilities. Dr. Ratliff-Schaub received her medical degree from Northeastern Ohio Universities College of Medicine in Rootstown, Ohio, and completed the pediatric residency program at the Medical College of Ohio, Toledo, Ohio, followed by a fellowship in behavioral and developmental pediatrics at the University of Maryland, Baltimore, Maryland.