|Yukio Nishida, president of Seibukai|
Shihan Nishida became the chairman of International Karate Organization (IKO2) after Mas Oyama, the founder of Kyokushin Karate, passed away.
In December of 1999, he started his own organization, International Budo Organization Kyokushin Karate Seibukai. He established his original training system of karate for life-long martial arts by incorporating traditional karate style, Chinese Kung-fu, and jyu-jitsu. Currently, he organizes Calbee Junior All Japan, Weight categories All Japan Tournament. He accepts karate exchange students. He also conducts international karate seminars both domestically and internationally. Shihan Nishida continues to move forward to spread the techniques and the philosophy of Seibukai Karate.