1, as of 20231October 30th, according to the inquiry of official website of Beijing Tiantan Hospital, Yongji and Gong Jian are chief physicians, professors and doctoral supervisors of pediatric neurosurgery in Beijing Tiantan Hospital affiliated to Capital Medical University. He is a postdoctoral fellow at McGill University in Canada and University of Virginia in the United States, a rising star of science and technology in Beijing, an outstanding talent in the Organization Department of Beijing Municipal Committee, and the backbone of the "2 15" talent discipline of Beijing Municipal Health Bureau.

2. Focusing on the surgical treatment of children's nervous system diseases for nearly 20 years, leading the team to complete more than 800 cases of children's intracranial tumors every year, covering glioma, craniopharyngioma, medulloblastoma, ependymoma, germ cell tumor, pineal region tumor, etc. More than 200 cases of congenital diseases were treated by surgery, including premature closure of cranial suture, hydrocephalus, arachnoid cyst, cerebellar tonsillar hernia, spinal cord lesions and so on. The treatment effect has reached the international advanced level and it is a veritable national team.

3. He used to be the deputy director of the Pediatric Professional Committee of the Neurosurgery Branch of the Chinese Medical Association, presided over the key projects of the Ministry of Science and Technology/KLOC-0, 4 national natural projects and 5 provincial and ministerial projects, and published more than 40 papers in Chinese and English.