Michael C. Roberts, PhD, ABPP, is Dean of Graduate Studies and Professor and former Director of the Clinical Child Psychology Program at the University of Kansas. He holds academic appointments in the Departments of Psychology, Applied Behavioral Science, and Pediatrics. Dr. Roberts has published over 200 journal articles and book chapters on the application of psychology to understanding and influencing children's physical and mental health. He has authored or coedited over 20 books, including Handbook of Pediatric Psychology, Fifth Edition, and Clinical Practice of Pediatric Psychology. The former editor of the Journal of Pediatric Psychology and several other journals, he is currently editor of Training and Education in Professional Psychology. Ric G. Steele, PhD, ABPP, is Professor and Director of the Clinical Child Psychology Program at the University of Kansas, with academic appointments in the Departments of Applied Behavioral Science and Psychology. He is an associate editor of the Journal of Pediatric Psychology and serves on the editorial boards of several other journals. Dr. Steele has published more than 120 journal articles and book chapters and has coedited several handbooks related to health and mental health services for children and youth. His research examines the promotion of health-related quality of life across a continuum of health risk categories, with particular emphasis on weight-related health in children and adolescents. He is a recipient of honors including the Martin P. Levin Mentorship Award from the Society of Pediatric Psychology and the Diane J. Willis Award for an Outstanding Article in the Journal of Pediatric Psychology.