Jianning Zhao received his Bachelor’s and Master’s degrees from the Fourth Military Medical University (now the Air Force Medical University) in 1983 and 1988, respectively. Since 1988, he has been working in the Department of Orthopedics at Nanjing Jinling Hospital, Affiliated Hospital of the Medical School of Nanjing University, and has been the Director of the Department of Orthopedics since 2000. His main research interests are the prevention and treatment of aseptic loosening after artificial joint replacement, and early diagnosis and repair of joint cartilage injury.