Ron Kline is a board-certified pediatric hematologist/oncologist and the Chief Medical Officer for the U.S. Office of Personnel Management (OPM). He serves as the resident medical expert with program responsibilities encompassing the health insurance industry, health policy, population health, benefit design, standards of care, quality improvement, and regulatory initiatives. Part of this role includes oversight of health insurance plans providing coverage to 8.2 million federal employees, retirees and their families through the Federal Employees Health Benefits Program and the Federal Employees Dental and Vision Insurance Program. Prior to assuming his role at OPM, he was a medical officer in the Patient Care Models Group at the Center for Medicare & Medicaid Innovation for almost five years. During this time, he was the clinical lead for the Oncology Care Model, the Medicare Care Choices Model, and the Radiation Oncology Model, as well as team lead during the preliminary development of the Enhanced Oncology Model. As a Robert Wood Johnson Foundation Health Policy Fellow in 2013-14, he focused on health policy in the office of Senate Finance Committee Chair Ron Wyden and at CMMI. He has been a clinical pediatric hematologist–oncologist for over 30 years.