1954: born in Tochigi Prefecture
1973: Enter Kokugakuin University, studied the Faculty of Law.
Also enter Kokugakuin University Aikido Club, started Aikido.
1980: Entrance into Aikido Kobayashi-dojo (Motosumiyoshi-Dojo)
Kept practicing Aikido while working after graduating university
1996: Become professional teaching Aikido
Present: Teach 6 dojos, Suwa-dojo (The main dojo in Zama), Motosumiyoshi-dojo, Senkawa-dojo, Hachimanyama-dojo, Kobuchi-dojo and Ebina-dojo
2015: Hold Aikido 7th Dan
have been invited to teach and demonstrate at overseas seminars, Taiwan, Korea, Greece, Canada, Poland, Hungary, etc..