William Cefalu holds a significant position as the director of the Division of Diabetes, Endocrinology, and Metabolic Disease at NIH. In this role, he shapes scientific priorities and oversees a diverse research portfolio, with a focus on clinical and translational research for both type 1 and type 2 diabetes. William Cefalu's influence extends further as the Chief Scientific, Medical & Mission Officer at the American Diabetes Association (ADA), where his expertise continues to contribute to advancements in diabetes research and care.