Gozo Shioda
Yasuhisa Shioda (Japanese: 塩田泰久 born 15 November 1952) is the third Sōke of Yoshinkan aikido, succeeding his brother, Tetsutaro Shioda, in keeping with the iemoto tradition in Japanese martial arts. Their father, Gozo Shioda, founded Yoshinkan aikido. He was Kancho of the headquarters dojo in Shinjuku, Tokyo and headed both the All Japan Yoshinkan Aikido Federation and the International Yoshinkai Aikido Federation until he left the organization in 2012. In 2014 he founded the SIAF together with his son Masahiro Shioda.