Dr. Dennis Russo is the Chief Clinical Officer of the May Institute, where he is responsible for the organization's diverse array of clinical services, training, and research. Dr. Russo holds an appointment at the Tufts University School of Medicine in Boston. He earned his Ph.D. at the University of California, Santa Barbara in 1975. Dr. Russo began pioneering the application of behavior analytic principles to the medical problems of children and adolescents while at Johns Hopkins University School of Medicine and John F. Kennedy Institute. Later, he helped create the Society of Behavioral Medicine, developed the first behaviorally based pediatric program at Harvard Medical School, co-edited one of the first books on using behavioral procedures in medical problems, and co-authored Behavioral Medicine with the Developmentally Disabled. His published research has focused on relationships between behavior and disease and the development of evidence-based behavior analytic treatments in pediatric psychology. He has served on a number of editorial boards, and his accomplishments have been recognized through numerous professional honors.