Honors: Master of the American College of Cardiology, Fellow of the American Heart Association, Fellow of the American College of Chest Physicians, Fellow of the Society for Cardiac Angiography and Interventions, Fellow of the Society of Geriatric Cardiology
Editorial / Reviewer: The New England Journal of Medicine, Circulation, Chest, Journal of the American College of Cardiology, The Journal of Interventional Cardiology, Annals of Internal Medicine
Leadership Roles: Dr. Messer has held multiple national level positions in the American Heart Association, the American College of Cardiology, the American Medical Association, the Department of Health and Human Services and Blue Cross/Blue Shield