Prof. Masaya Nakamura is Professor and Chair of Orthopedic Surgery and Vice Dean at Keio University School of Medicine, Japan. He obtained his MD and PhD from Keio University and completed advanced training in spine and spinal cord surgery, including research fellowship experience at Georgetown University, USA. A globally recognized leader in spine and spinal cord research, his work focuses on spinal cord injury and regenerative medicine, including pioneering clinical trials using iPS cell therapy. He has published over 1,000 scientific articles and holds leadership roles as President of the Japanese Society for Spine Surgery and Related Research and the Japanese Society for Spinal Cord Disorders, with multiple prestigious awards in spine and regenerative medicine research.