Jiang Zhengyu is the head of the Micro-Reaction Research Team at China University of Political Science and Law. With a Ph.D. in Digital Media from Beijing Normal University, Jiang Zhengyu is considered to be an expert on “micro-reactions” and “microexpressions” of the face. He has appeared on several Chinese talk shows to share his analysis and expertise on contestants’ reactions to various situations. In 2018, he served as the host of a celebrity panel of commentators on the Chinese reality show “Heart Signal.”