Professional Title: Chief Physician, Associate Professor Specialties: Diagnosis and treatment of degenerative spinal diseases; diagnosis and treatment of cervical spondylosis; minimally invasive posterior cervical spine surgery; basic and clinical research on ossification of the posterior longitudinal ligament of the cervical spine; lumbar degenerative diseases such as lumbar disc herniation and lumbar spinal stenosis Work Experience August 2001 - July 2004: Received Master's degree in Medicine from Peking University Health Science Center. Supervisor: Professor Sun Yu, Chief Physician. August 2006 - July 2009: Received Doctorate degree in Medicine from Peking University Health Science Center. Supervisor: Professor Liu Zhongjun, Chief Physician. May 2007 - June 2008: Visiting Scholar at the Department of Orthopedics, Keio University, Japan, primarily researching degenerative spinal diseases. November 2014 - February 2015: Visiting Scholar at the Department of Orthopedics, Washington University in St. Louis, USA, primarily researching the diagnosis, treatment, and recent advances in cervical spondylosis. 2009 - Present: Served successively as Resident-in-Charge, Attending Physician, Associate Chief Physician, and Chief Physician in the Department of Orthopedics at Peking University Third Hospital. December 2018 - June 2019: Director of the Department of Orthopedics, Yan'an Branch of Peking University Third Hospital. Research Work Source: National Natural Science Foundation of China; Title: Screening for novel pathogenic mutations in ossification of the posterior longitudinal ligament of the cervical spine using whole-exome sequencing and functional studies. Awards 2017: Dr. Chen Xin received the First Prize for Excellent Paper by Young and Middle-Aged Authors (5th session).