He did his medical and psychiatric training at Harvard Medical School, Cambridge Hospital, and Weill Cornell Medical College - Payne Whitney Clinic, where he served as chief resident, and his child psychiatry training at the combined Columbia-Cornell NYPH training program where he was also chief resident. He completed a PhD in psychology at University College London where he studied with Peter Fonagy and Joseph Sandler, investigating the process and outcome of psychotherapy in young adults. He trained as a research fellow with Bradley Peterson at the New York State Psychiatric Institute in brain imaging and child psychiatry. His principal interests and research lie in studying the neurobiological bases of social cognition, particularly in relation to autism spectrum disorders and change in response to psychotherapy.