Not fired. According to Sohu News, Yan, 1952 was born in Tianjin on February 7, 1952. He is a theorist of international relations, a senior professor of liberal arts in Tsinghua University, a foreign academician of Russian Academy of Sciences, and the president of Tsinghua University Institute of International Relations. Yan 1977 entered the English Department of Heilongjiang University; 1982 works in China Institute of Contemporary International Relations; 1986 Master of China Institute of Contemporary International Relations; 1992 received a doctorate in political science from the University of California, Berkeley; Worked in Tsinghua University Institute of International Relations in 2000; In 2007, he served as the head of the Department of International Relations in Tsinghua University; In 2008, he was named "100 the most influential intellectual in the world" by American Foreign Policy magazine. 20 14-20 18 was selected as one of the most cited scholars in Elsevier. 20 18 was employed as a senior professor of liberal arts in Tsinghua University; 20 19 was elected as a foreign academician of Russian Academy of Sciences. Yan is mainly engaged in the research on the rise of great powers, the development of international situation, China's foreign policy, the theory of international relations, scientific research methods and China's ancient political and diplomatic thoughts.