At Cleveland Clinic, Dr. Stanley L. Hazen is chair of the Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute, co-head of Preventive Cardiology & Rehabilitation, Heart, Vascular & Thoracic Institute, and director of the Center for Microbiome & Human Health. Dr. Hazen sees patients within the Preventive Cardiology Clinic, specializing in preventive cardiovascular medicine care of patients including treatment of hyperlipidemia, hypertension, obesity and diabetes. He also sees patients within the Cardiovascular Rehabilitation program. His research interests include studies of mechanisms for the development of cardiovascular disease, with emphasis on understanding the role of the gut microbiome, inflammation and oxidant stress in the pathogenesis of atherosclerosis and other inflammatory diseases.