He received his MD from the University of Nottingham Medical School (UK). He completed his internship in internal medicine, surgery and pediatrics at the University Hospital in Nottingham. He completed residencies in general pediatrics at West Suffolk Hospital and Addenbrooke's Hospital (East Anglia, UK), and in pediatrics at Massachusetts General Hospital. He subsequently completed a fellowship in clinical genetics at Harvard Medical School. He is board-certified in clinical genetics and general pediatrics.