Distinguished University Professor Emeritus, Department of Pediatrics (Pediatric Genetic Medicine) Distinguished University Professor Emeritus, Department of Obstetrics & Gynecology and Women's Health (Reproductive & Medical Genetics) Area of Research: The natural history, genetic basis & medical management of multiple malformation syndromes including Williams & 22q11.2 Deletion Syndromes, neural tube defects & inherited cardiac disorders such as the Long QT Syndromes.