Dr.Yi Guo is an associate professor and deputy director in the Department of Neurosurgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, China. His subspeciality is neurovascular surgery and head trauma. In traumatic brain injury research, he focused on the clinical application of cisternostomy and basic research of the glymphatic system. He finished resident training in the Department of Neurosurgery, Affiliated Hospital of Hebei University, and worked there as attending and deputy director. After 2015, he worked in the Department of Neurosurgery, at Beijing Tsinghua Changgung Hospital.