William C. Hsiao is the K.T. Li Professor of Economics, Emeritus at Harvard T.H. Chan School of Public Health. He received his Ph.D. in economics from Harvard and is a fully qualified actuary experienced in private & social health insurance & pension. Hsiao has conducted health financing studies over 4 decades and designed universal health insurance programs & health system reforms for USA, China, Taiwan, Colombia, Malaysia, Vietnam, Hong Kong, Sweden, Cyprus, Uganda, South Africa. Vermont commissioned him to design their single-payer system. He’s involved in an economic analysis of Medicare for All, proposed by Senator Sanders. In 2020, Governor Newsome appointed him to the Healthy CA for All Commission to develop a single-payer system. With Gates Fdn support Hsiao experimented with affordable, sustainable health care models for 350M low-income rural residents in China. He served as an actuary at Connecticut General Life Insurance Co. for 9 years and U.S. Deputy Chief Actuary for Social Security, Medicare & Medicaid. Hsiao was elected to US Nat’l Academy of Medicine, named Man of the Year in Medicine in 1989 for developing a new physician services payment method, received the Presidential Medal for his design of Taiwan’s successful Universal Health Insurance system and in 2020, the Graham Prize Award—most distinguished health services researcher. He's published more than 200 papers and several books and advised 3 US presidents, US Congress, the World Bank, IMF, WHO, ILO.