Mark E. Miller leads Arnold Ventures' philanthropic work to lower the cost and improve the value of healthcare. He has more than 30 years of health policy experience, including prior positions as the executive director of the Medicare Payment Advisory Commission; assistant director of Health and Human Resources at the Congressional Budget Office; deputy director of health plans at the Centers for Medicare and Medicaid Services; health financing branch chief at the Office of Management and Budget; and senior research associate at the Urban Institute.