Board certification -Board member (councilor) of Japan Society for Spine Surgery and Related Research -Director of Japan Society for the Study of Surgical technique for Spine and Spinal Nerves (JPSSSTSS) -Board member (councilor) of Japan Medical Society of Spinal Cord Lesion -Board member (councilor) of Eastern Japan Association of Orthopaedics and Traumatology - Board-certified Spine Surgeon - Rehabilitation doctor authorized by Japanese Association of Rehabilitation Medicine - Sports doctor authorized by JAPAN SPORTS ASSOCIATION (JASA) International Member: NASS (North American Spine Society), AAOS (American Academy of Orthopaedic Surgeon), Honorary membership of Neuro Spinal Surgeons Association (NSSA)

Cervical and thoracic myelopathy, Spine trauma, Degenerative lumbar disease. Spinal cord tumor