Yan Xuetong, a distinguished professor and the Dean of the Institute of International Relations at Tsinghua University. He was named as one of World Top 100 Public Intellectuals by Foreign Policy in 2008 and has been listed as the only political scientist among Most Cited Chinese Researchers by Elsevier during 2015-2019. His book Ancient Chinese Thought, Modern Chinese Power is viewed as the pioneer IR theory of moral realism and the newly published book Leadership and the Rise of Great Powers represents a systematical theory of moral realism.