I graduated from Yonsei University School of Medicine and completed an orthopedic residency at Severance Hospital. I served as a fellowship in the knee joint field at Samsung Medical Center, and I have since served as a clinical professor at the National Health Insurance Service Ilsan Hospital. I majored in knee arthroplasty and sports medicine, and I am very interested in the fields of anterior cruciate ligament, posterior cruciate ligament, cartilage regeneration and meniscus. And it stands out in the field of degenerative arthritis. We are conducting a lot of big data research using data from the National Health Insurance Corporation. And he has abundant clinical experience and is conducting a large amount of knee surgery