Ross W. Greene, Ph.D., is Director of the Collaborative Problem Solving Institute in the Department of Psychiatry at Massachusetts General Hospital. He specializes in the treatment of explosive, inflexible, easily frustrated children and adolescents and is the author of The Explosive Child and co-author of Treating Explosive Kids: The Collaborative Problem Solving Approach. He is also Associate Professor in the Department of Psychiatry at Harvard Medical School.

Dr. Greene's research focuses on the classification, longitudinal study, and treatment of inflexible, easily frustrated, explosive children; long-term outcomes in socially impaired children with ADHD; and student-teacher compatibility. He has authored numerous articles, chapters, and scientific papers on school- and home-based interventions for children with disruptive behavior disorders. His research has been funded by the Stanley Medical Research Institute, the National Institute on Drug Abuse, and the U.S. Department of Education.

Dr. Greene received his doctorate in clinical psychology from Virginia Tech in 1989 after completing his predoctoral internship at Children's National Medical Center/George Washington University Medical Center in Washington, DC. Prior to joining Mass General, he served as Visiting Assistant Professor on the clinical psychology faculty at Virginia Tech and as Assistant Professor in Psychiatry and Pediatrics at University of Massachusetts Medical Center.