1977, BSc in Physics, Jilin Univ., China; 1991, PhD in Industrial Engineering, West Virginia Univ. More than three decades in energy and environmental issues. Formerly: with the Energy Research Institute, State Planning Commission. 1984, World Bank Fellow, Cornell Univ. Formerly with Lawrence Berkeley National Laboratory, working on China's energy and environmental issues; 2000-08, Chief Representative, Beijing office, and Vice-President, Energy Foundation; 2008-10, Director, Global Climate Solutions, WWF Int'l. Currently, Senior Adviser on Energy, Environment and Climate Change, NRDC. Author of papers and reports.