David was internationally renowned for his research into the pathophysiology of type 1 diabetes and its complications in children and young people. His studies of genetic and environmental interactions during childhood growth have helped in determining risk for type 2 diabetes. He published over 600 peer reviewed papers and lead major international research consortia.
Professor Dunger was a Fellow of the Academy of Medical Sciences and recipient of numerous awards including the Andrea Prader Prize from the European Society for Paediatric Endocrinology, the James Spence Prize from the Royal College of Paediatrics and Child Health, the James Tanner Award from the British Society of Paediatric Endocrinology, and the International Society for Pediatric and Adolescent Diabetes Prize of Achievement.