Trish Riley is the Director of the Maine Governor's Office of Health Policy and Finance. Prior to joining the Governor’s staff, she served as president of the nonprofit Center for Health Policy Development and the executive director of its National Academy for State Health Policy.

Previously Riley served in appointive positions under four Maine governors as well as Executive Director of the Maine Committee on Aging; Director of the Bureau of Maine's Elderly; Director, Bureau of Medical Services; and, Associate Deputy Commissioner of Health and Medical Services. Ms. Riley served on the Kaiser Commission on the Future of Medicaid and on the Board of Directors of the National Committee for Quality Assurance.

She has chaired the National Task Force on Medicaid Managed Care, representing Congress, federal government, consumers, states, plans, and providers; HCFA's Medical Directors' Group which helped create the Quality Assurance Reform Initiative for Medicaid Managed Care; and the HCFA-supported Work Group for Quality Improvement Systems for Medicare and Medicaid.

Riley has written extensively on state health reform, Medicaid, CHIP, and managed care and is a frequent speaker on these topics across the nation. Riley served on Maine's Commission on Governmental Ethics and as a member of Maine's Commission on Children's Health.

She currently serves on the Board of Directors of the Senator George Mitchell Scholarship Fund and is a member of the Institute of Medicine's Subcommittee on Maximizing the Value of Health.