Born in 1951. Graduated from Gunma University School of Medicine in March 1978. Entered the First Surgery of Gunma University School of Medicine in April 1978. Trainee doctor of the Coloproctology Center, Social Insurance Central Hospital (the present Tokyo Yamate Medical Center) (June 1982 - ) Medical staff of the Coloproctology Center, Social Insurance Central Hospital (June 1986 -) Medical director of the Coloproctology Center, Social Insurance Central Hospital (September 1990 -) Chief medical officer of the Coloproctology Center, Social Insurance Central Hospital (July 1998 -) Director of the center of the Coloproctology Center, Social Insurance Central Hospital (April 2006 -) Vice director of the Social Insurance Central Hospital (September 2007-). Chief of proctology, Makita General Hospital (April 2020 - present). He specializes in surgical treatments of anal disease, inflammatory bowel disease and colorectal cancer.

Councilor of the Japan Society of Coloproctology. Representative Coordinator of the Coloproctology Council. Specialist/instructor of the Japan Society of Coloproctology. Surgeon qualified by the Japan Surgical Society/Japanese Society of Gastroenterological Surgery.