Deputy Dean and Professor of School of Social Sciences, Deputy Director of Center for International Security and Strategy, Tsinghua University. He was born in Changle County, Shandong Province in May 1975. Now, He is an Associate Professor in Institute of International Studies and Deputy Director of Center for Sino-US Relations at Tsinghua University. From August 2000 to July 2005, he studied in School of International Relationship and Public Affairs, Fudan University, followed by Prof. Sun Zhe and Prof. Ni Shixiong and got a Ph.D on international Relationship Studies. From July 2005, he has beginning his new work in Center for American Studies, Fudan University. And since 2009, he has moved to Tsinghua and started his new teaching and researching life in Beijing. His research is mainly focusing on US Government and Politics, Comparative political system, Political Marketing and Chinese Diplomatic institutions.