1982, BA and 1984, MA, Department of International Politics, Peking University, China; 1996, PhD, Political Science Department, University of California, Berkeley, US. 1985-1987, Institute of World Economics and Politics, Chinese Academy of Social Sciences. Since 1996, Professor, School of International Studies, Peking University; also Director, Center for Chinese and Global Affairs, Peking University. Author of many articles. Expertise: comparative politics, Chinese politics and international politics.