Qiyu Xu (Xu Qiyu in Chinese) is a Senior Fellow at the National Strategy Institute of Tsinghua University and former Deputy Director of the Institute for Strategic Studies at Chinaβs National Defense University, from which he retired as Senior Colonel in 2019. His research focuses on great power relations, regional security, and geopolitical issues. Xu also serves as Visiting Professor at China Europe International Business School (CEIBS) and the Shanghai Advanced Institute of Finance. In 2017, MIT Press published the English edition of his acclaimed book Fragile Rise: Grand Strategy and the Fate of the German Empire, prefaced by Harvard Professor Graham Allison. He holds an MA from the National Defense University and a PhD from the Chinese Academy of Social Sciences.