1982, BSc in Physics, Wuhan University, China; MA in Economics and 1994, PhD in Economics, University of Pittsburgh. 2002-03, Associate Professor with tenure, Department of Economics, Towson University, US. Professor of Economics, China Centre for Economic Research (CCER), Peking University, China. Chief Adviser, Chinese Central Government's Commission on Healthcare Reform. Vice-President: Chinese Health Economics Association; Gerontology Society of China. Current research interests and teaching fields: health economics and economics of ageing.