Guijun Jia, M.D., Professor,Vice director of the 6th ward of the Department of Neurosurgery of Beijing Tiantan Hospital, Capital Medical University. The ward mainly treated patients with saddle area tumors and posterior cranial tumors, especially pituitary adenoma and acoustic neuroma, with an annual operation number of 800 cases. He hosted and participated in many projects, such as projects funded by the Beijing Natural Science Foundation, National High-tech Research and Development Plan and public welfare industry research project. He published many SCI articles and dozens of core journal articles. He won the third prize for Beijing Technological Progress Award, the second prize for Chinese Medical Science and Technology Award in 2006 and the third prize for Chinese Medical Science and Technology in 2014.