Dr. David M. Nathan is a Professor of Medicine at Harvard Medical School and is Director of the Clinical Research Center and of the Diabetes Center at Massachusetts General Hospital. His major research focus is the study and development of new methods to normalize glucose metabolism in diabetes mellitus and the long-term consequences of such therapy. He was one of the architects of the Diabetes Control and Complications Trial and currently co-chairs its long-term follow-up, the Epidemiology of Diabetes Interventions and Complications Study, and is the Chairman of the multi-center NIH Diabetes Prevention Program and of the American Diabetes Association Expert Committee on the Diagnosis and Classification of Diabetes. With more than 500 publications, chapters, and books in the medical literature, Dr. Nathan is an internationally recognized expert on diabetes and its complications. He was awarded the Outstanding Clinician Award by the American Diabetes Association in 2002 and the Distinguished Scientist Award from the National Institute of Diabetes Digestive and Kidney Disease, NIH on the occasion of its 60th anniversary in 2010.