Kazuyoshi Ishii (石井 和義, Ishii Kazuyoshi; born June 10, 1953) is a Japanese karateka, promoter, and businessman.. He was born in Uwajima City, Ehime Prefecture. Graduated from Ehime Prefectural Uwajima Higashi High School. He is known as the founder of Seidokaikan, a karate organization, and the founder of K-1, a martial arts promotion which became a pioneer in mixed martial arts events. K-1 Founder and advisor/Director of Seimichi Kaikan/ARISF.GAISF. (IOC-recognized international federation of sports organizations, international sports federation) Kickboxing WAKO JAPAN/FIKA/Originally based on the manga "Dorukara".
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