Philip Shaw is a Senior Investigator at the Neurobehavioral Clinical Research Section of the National Human Genome Research Institute in Bethesda, United States. His main interest is in the genetic and environmental factors that influence the development of brain and behavior. A focus of his work is one of the most common neurobehavioral problems of childhood, attention deficit hyperactivity disorder. He has degrees in experimental psychology and medicine from Oxford University, and a Ph.D. in psychological medicine from the Institute of Psychiatry in London. He completed residencies in internal medicine and psychiatry in England, and is a member of both the Royal College of Physicians and the Royal College of Psychiatry.