Dr. Rosenson is a Diplomate of the American Board of Internal Medicine, with a subspecialty in cardiovascular disease, the National Board of Medical Examiners, and National Lipid Association. He currently serves on a number of committees for professional societies. He has served on nine committees for the American College of Cardiology, and he served as a member of the Expert Document Committee for the American College of Cardiology and ACCF Representative to the ADA Aspirin Therapy in Diabetes Position Statement. He has been extensively involved with the National Lipid Association where he serves a National Board Member and Northeast Lipid Association Board Member. Dr. Rosenson served as Co-Chair for the task force on HDL biology, and he is the current Chair of the Statin Safety Expert Muscle Document Committee. Dr. Rosenson led three international working groups on HDL that resulted in seminal articles on HDL nomenclature, HDL and macrophage cholesterol, and HDL functionality.