He directs the CHB Fragile X Multidisciplinary Program. This program integrates state-of-the art clinical care with translational research. In relation to this, he is the chairman of the Clinical & Professional Development Committee of the National Fragile X clinical and research consortium, as well as being a member of this group's steering committee, charged with guiding research and clinical direction in this area. Clinically, he also practices general genetics with an emphasis on behavior. Teaching and education are focused on the role of single gene disorders as seminal biological clues to understanding behavior. In addition to these commitments at CHB, he also mentors the Brandeis University�s Genetic Counseling program�s master level student�s projects, particularly those involving psychosocial aspects of genetics.