Hayward Nishioka is a Japanese-American community college physical education instructor[1] and former judo competitor.
Nishioka won a gold medal for judo at the 1967 Pan American Games.
[6] On January 13, 1987, Rorion, Royler and Rickson Gracie came to Nishioka's judo school.
[8] One of his students was Yuji Okumoto, who is known as Chozen Toguchi in The Karate Kid Part II and Cobra Kai.
[13] He interviewed celebrities and author articles for Black Belt Magazine including Russia's controversial judoka.