John G. Nackel, Ph.D. served as a member of the board of directors of Ensign from June 2008 through December 2019. He is currently the Chairman and Chief Executive Officer of Three-Sixty Advisory Group, LLC ( Three-Sixty ) and Founder and General Partner of Wavemaker Three-Sixty Health, LP ( Wavemaker 360 ) venture fund. Founded in 2007 by Dr. Nackel, Three-Sixty consults with leading health systems, payers, physicians, medical technology companies, and other providers. Founded in 2018, Wavemaker 360 invests in early-stage health care companies in the value-based payment space. Dr. Nackel is a 25-year veteran of Ernst & Young where he advised health care companies in his role as a Global Managing Director of Health Care. Dr. Nackel also served as Chief Executive Officer of Ingenix Consulting (now Optum), a division of United Healthcare. In addition, Dr. Nackel served as a director of Mercury General Corporation (NYSE: MCY) from 2016 until 2018. During his career, Dr. Nackel has also served as a board member or chairman of several privately held start-ups and emerging companies, including Visual Health Solutions, Vitalacy, HealthTask, ConnectedHealth, NetStrike, and Sertan, Inc. He earned his bachelor s degree at Tufts University, master s degrees in public health and industrial engineering at the University of Missouri, and a Ph.D. in industrial engineering (health systems design) at the University of Missouri. He is a fellow of the American College of Healthcare Executives and the Healthcare Information and Management Systems Society. He is a senior member of the Institute of Industrial Engineers. We believe that Dr. Nackel s extensive experience as a consultant and an advisor to healthcare companies, his extensive board and management experience and his valuable leadership and management insights support the conclusion that he should serve as one of our directors.