2003–2004: Gunma FC Horikoshi (Kanto League / JFL)
2005–2006: Fortuna Düsseldorf Reserve Team (Player)
2008–2020: Fortuna Düsseldorf Japan Desk (Front Office)
2020–2021: V-Varen Nagasaki (Executive Officer)
2021: Regional Connect Nagasaki (Executive Officer)
2022–2024: Mito HollyHock (Executive Officer, Business Strategy / Corporate Planning Office)
2025–Present: Mito HollyHock (Director & Executive Officer / General Manager of Business Operations / Assistant General Manager)
Other Roles
2014–2024: SETAGS GmbH (German Limited Liability Company) – Representative
2015–2019: U-19 Düsseldorf International Soccer Tournament – Japan Desk
2016–2019: U-16 Düsseldorf International Soccer Tournament – Advisor
2016–2024: Chuo University Institute of Business Research – Visiting Researcher
2025–Present: Chuo University – Visiting Lecturer
