Li Zefu, director of neurosurgery, chief physician, professor of Affiliated Hospital of Binzhou Medical College, doctoral graduate of Fudan University, master supervisor. He is also the vice chairman of Binzhou Branch of Neurosurgery of Shandong Medical Association, the vice chairman of Shandong Laser Medical Association, the vice chairman of Binzhou Rehabilitation Medicine Professional Committee, the member of Shandong Branch of Chinese Anti-Cancer Association, and the special reviewer of Binzhou Medical College newspaper. He graduated from Fudan University in 2004 with a PhD degree. He studied under professors Huang Fengping and Xu Qiwu from Huashan Hospital of Fudan University. In 2006, he went to South Korea for further study in Jiangnan Notre Dame Hospital affiliated to Katuri University. He has worked in clinical field for more than 20 years and accumulated rich clinical experience. He is good at brain stem tumor resection, skull base tumor resection, lithocline tumor resection, as well as surgical treatment of cerebrovascular disease and minimally invasive interventional therapy. He has undertaken 1 project funded by the National Natural Science Foundation and 3 projects sponsored by the provincial Science and Technology Department and the provincial Health Department. He has published more than 20 academic papers in provincial and above journals.