RON YAMANAKA
RON YAMANAKA, Kyoshi, 7th Dan, Okinawan Goju; SiGung, 8th Dan Kung Fu; and 6th Dan Ju-Jitsu, is Director of the Yudansha Kobujitsu Karate-Do Federation, Canada. Kyoshi Yamanaka is also a Founding Member of the World Union of Martial Arts Federations (WUMAF), and serves on numerous boards for international martial arts organizations. Yamanaka Sensei also serves as a member of the IKKF Executive Board.