|Shorin-Ryu Shidokan Karate-Do was headed by Katsuya Miyahira Hanshi, 10th Dan until his death in November 2010. He was a student of Chosin Chibana Sensei. Katsuya Miyahira Hanshi was also the head of the International Shorin-Ryu Association. Shorin-Ryu Shidokan Karate-Do was introduced to the United States by Miyahira Sensei’s senior student, Seikichi Iha Sensei. Iha Sensei is the head of Beikoku Shidokan, the North American Shidokan Association. Iha Sensei was promoted to Hanshi 10th Dan in July 2001 by his Sensei, Katsuya Miyahira (10th Dan).