Dr. Koichi Sairyo, MD. PHD.
Professor and Chairman, Department of Orthopedics, Tokushima University, Tokushima, Japan.
1988:                    MD degree, Tokushima University School of Medicine
1994:                    PHD degree, Tokushima University Graduate School of Medical Sciences
1995-1997:          Post Dr. follow, University of Iowa, Iowa, USA
1998:                   Assistant Professor, Tokushima University Hospital
1999:                   Associate Professor, Tokushima University School of Medicine
2003-2005:       Post Dr. follow, University of Toledo, Ohio, USA
2010:                   Associate Professor, Teikyo University Mizonokuchi Hospital
2013-                   present  Professor and Chairman, Tokushima University.

International Society
International Society for Study of the Lumbar Spine: ISSLS (active member)
International Society for the advancement of the spine surgery: ISASS (member)
International Society of Endoscopic Spine Surgery: ISESS (Board member candidate)
International Intradiscal Therapy Society: IITS (Congress President 2021)
International Society for Minimal Intervention in Spinal Surgery: ISMISS (Asia representative)
Asian Congress Minimally Invasive Spine Surgery :ACMISST (Board member, Japan representative)
Pacific Asian Society for Minimally Invasive Spine Surgery: PASMISS (Board member)
World Congress Minimally Invasive Spine Surgery :WCMISST (Congress President 2021)

Japanese Society
Japanese Orthopaedic Association JOA  (Board member)
Japanese Society for Spine Surgery and Related Research: JSSR (Board member)
Japanese Orthopaedic Society for Sports Medicine: JOSSM
(Society vice chairman since 2019, CONGRESS PRESIDENT 2018)
Japanese Society of the Minimally Invasive Spine Surgery: JASMISS
(Society chairman since 2020, CONGRESS PRESIDENT 2019)
Japanese Society of the full-endoscopic trans-Kambin lumbar Interbody Fusion: JEKLIF
(Society Chairman since 2020, CONGRESS PRESIDENT 2020&2022)