Harold L. Paz, M.D., M.S., is executive vice president and chief medical officer for Aetna. He leads clinical strategy and policy at the intersection of all of Aetna’s domestic and global businesses. Dr. Paz is responsible for driving clinical innovation to improve member experience, quality and cost in all areas of the health care delivery system. Reporting to Aetna’s Chairman and CEO, he is a member of the company’s executive committee. Before joining Aetna in 2014, Dr. Paz served as CEO of Penn State Hershey Medical Center and Health System, senior vice president for Health Affairs for Penn State University, dean of its College of Medicine and professor of medicine and public health sciences for eight years. Prior to his appointment to Penn State, he spent 11 years as dean of the Robert Wood Johnson Medical School and CEO of Robert Wood Johnson University Medical Group. Dr. Paz has focused his research and teaching on clinical outcomes, health care effectiveness and employee health benefit design. A pioneer in the field of quality management, Dr. Paz was among the first to study clinical outcomes in the intensive care unit. From this early work, he recognized the need to formally train physicians in quality, and in 1993 he started the first fellowship of its kind in quality management. Currently, he is professor adjunct of internal medicine at Yale University School of Medicine and remains clinically active in pulmonary medicine at the West Haven VA Hospital. Dr. Paz is on the Board of Directors of USPI, the National Health Council and Research!America. He serves on the National Academy of Medicine (NAM) Leadership Consortium and the NAM Roundtable on Quality Care for People with Advanced Illness. Dr. Paz is past chair of the Board of Directors of the Association of Academic Health Centers and former member of the Association of American Medical Colleges (AAMC) and the UHC boards of directors. He previously was chair of the AAMC Council of Deans.