Prof. Yong In is a Professor of Orthopedic Surgery at Seoul St. Mary’s Hospital, The Catholic University Hospital and the current President of the Korean Knee Society. As a leading expert in joint reconstruction and regenerative medicine, his clinical and research focus centers on advanced cartilage repair and innovative arthroplasty techniques. Over his distinguished 25-year career, he has published numerous peer-reviewed studies in high-impact international journals and frequently speaks at global orthopedic conferences. He holds a Ph.D. in Medicine and is dedicated to advancing patient care guidelines and mentoring the next generation of orthopedic surgeons worldwide.