Is Tang Jiawen really Professor Tsinghua?

yes. According to China Education Network, Tang Jiawen, male, 42 years old, is from Mouding County, Chuxiong Prefecture, Yunnan Province. His works include "God is a Mathematician" and "Like Your Ordinary". He used to be a professor at Tsinghua University, and now he is the managing director of Goldman Sachs in the United States and a professor of finance at Cambridge University in the United Kingdom. Therefore, Tang Jiawen is Professor Tsinghua. Since 21, he has served as assistant to the chairman and deputy general manager of Yaxing Group, specifically responsible for the overall management of the marketing department, marketing department, human resources department, administration department, operation department, hotels, clubs and large operation department of Beijing Earl Garden Golf.