is a Japanese professional football manager and former player.

Playing career Ishimaru was born in Katano on October 30, 1973. After graduating from Hannan University, he joined the newly promoted J1 League club, Avispa Fukuoka in 1996. He became a regular player and played often until 2000. In 2001, he moved to the J2 League club Kyoto Purple Sanga. He played as a regular player and the club won the championship and was promoted to J1 in 2002. In 2002, the club won the Emperor's Cup, it was the first major title in club history. In 2003, he became a captain, and the club finished in last place and was relegated to J2 in 2004. In 2005, he did not play in any matches and he moved to the Japan Football League club Ehime FC in October. The club won the championship in 2005 and was promoted to J2 in 2006. He played many matches as a substitute and retired at the end of the 2006 season.

Coaching career After retirement, Ishimaru started a coaching career at Ehime FC in 2007. He served as a coach for the top team (2007–09) and manager for the youth team (2010–12). In 2013, he became a manager for the top team until 2014. In 2015, he moved to Kyoto Sanga FC and became a coach. In July 2015, manager Masahiro Wada resigned and Ishimaru became the new manager as Wada's successor. In 2016, the club finished in 5th place and missed promotion to J1. He was terminated at the end of the season.Kyoto Sanga FC

On 14 December 2019, it was announced that Ishimaru would become manager of J2 League club, Montedio Yamagata for the 2020 season. However in April, he was dismissed after only the ninth gameweek due to his team's poor performance, languishing in 20th place with 1 win, 4 losses and 4 draws.

On 17 December 2021, Ishimaru returned to Ehime FC for the 2022 season, beginning his second stint in charge after managing them in 2013. On 11 November 2023, Ishimaru led Ehime FC to become J3 League champions, returning to the second tier for the 2024 season after a two year absence.

Club statistics Club performance League Cup League Cup Total Season Club League Apps Goals Apps Goals Apps Goals Apps Goals Japan League Emperor's Cup J.League Cup Total1996Avispa FukuokaJ1 League23120132383199729432603831998282214234519991622031213200024010302802001Kyoto Purple SangaJ2 League37340204332002J1 League2605050360200327000403102004J2 League34210-35220050000-002005Ehime FCFootball League6100-612006J2 League31110-321 Career total2811621340534224

Managerial statistics .J.League Data Site TeamFromToRecordGWDLWin %Ehime FC10 December 201231 January 2015Kyoto Sanga FC11 July 20156 December 2016Montedio Yamagata1 February 202022 April 2021Ehime FC17 December 2021presentTotal

Honours Manager Ehime FC J3 League: 2023

References

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