He has work experience in different countries including India, UK, Canada and United States. His clinical interests include constipation therapy and inflammatory bowel diseases. He directs a multidisciplinary comprehensive Pediatric IBD program at Yale. He is an active researcher and has published more than 70 papers and reviews in leading international journals. He has authored book chapters and has given talks in international conferences all over the world. He has an MBA from Yale and has expertise in quality and process improvement in clinical practice.