Ralph DeFronzo

Ralph DeFronzo is a Professor of Medicine and Chief of Diabetes at the Long School of Medicine, University of Texas Health San Antonio. He has been on faculty since 1988 and is renowned for his pivotal role in approving metformin and developing modern antidiabetic medications. His leadership at the Texas Diabetes Institute earned it a top 50 ranking by U.S. News & World Report. With 750+ publications since 1967, his research focuses on diabetes pathophysiology and clinical care. In 2017, he received the $250,000 Harold Hamm Prize, recognizing lifetime contributions to diabetes science.

DeFronzo’s work bridges clinical practice and research, emphasizing multidisciplinary approaches to diabetes treatment. He is cited for identifying contributions of multiple organs to Type 2 diabetes pathogenesis. His awards highlight global recognition for advancing diabetes care and research.