Harrington is the Alan B. Miller Professor and department chair in the Health Care Management and Business Economic and Public Policy departments at the Wharton School, University of Pennsylvania. He is also the academic director of the Wharton/Penn Risk and Insurance Program, a senior fellow with the Leonard Davis Institute for Health Economics, and an adjunct scholar at the American Enterprise Institute. A former president of both the American Risk and Insurance Association and the Risk Theory Society, he is a Co-Editor of the Journal of Risk and Insurance and has published widely on risk management and the economics and regulation of insurance markets. He has conducted research, consulted, or served as an expert for many organizations and has testified before the U.S. House and Senate, including testimony on the identification of systemically significant insurance organizations. He served on the U.S. Treasury Department’s Federal Advisory Committee on Insurance during 2012–2013. His recent policy research has focused on the causes and implications of the financial crisis for financial regulation, on the potential identification and regulation of systemically important insurance entities, and on the regulation of health insurers under healthcare reform. He teaches course on health care finance, health care systems, and econometric methods in health economics and health services research.