1991 MD.College of Medicine, Osaka City University, Osaka, Japan
2026 -at present Board Member of CSRS-AP
2026-at present Board member of APNDS(The Asia-Pacific Neurospinal 
Deformity Society)
2025-at present Board Member of Japan Medical Society of Spinal Cord Lesion
2025-at present Board Member of APCSS
2025-at present Board Member of JASMETS
2024-at present Board Member of The Japan Society of 
Neurotraumatology(JSNT)
2023-at present Chairman of the Society of Summer Forum for Practical Spinal 
Surgery(SFPSS)
2021-at present Board Member of International Academy of Spine (IAS)
2016-2021 Board Member of WFNS Spine committee
2015-at present Board Member of the Neurospinal Society of Japan Japan（NSJ)