There are eight professors in the Department of International Relations in Tsinghua University. Professor Yan you mentioned is one of them. Among the other seven professors, the ones with strong academic strength are:

Liu Jiangyong, Professor, Deputy Director and Doctoral Supervisor of Tsinghua University Institute of International Studies;

Sun Zhe is currently a professor and doctoral supervisor at Tsinghua University Institute of International Studies. He used to be a professor, doctoral supervisor and deputy director of American Studies Center of Fudan University, a Shanghai Shuguang scholar, and an expert enjoying special government allowance from the State Council.

He Maochun, Professor of International Relations Department of Tsinghua University College of Humanities and Social Sciences, Director of Center for Economic and Diplomatic Studies, and Doctoral Supervisor.