He was born in Ōmuta, Fukuoka,[1] and began judo at the age of a first grader.

[1] He won a gold medal at the -60 kg category of the Junior World Championships in 1992 and World Championships in 1993.

[2] After graduating from Meiji University, he entered the Tokyo Metropolitan Police Department.

By 2009, he coached All-Japan women's judo team[3] before announcing his resignation on January 31, 2013, following accusations of physical abuse by team members.

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