Masando Sasaki (February 1, 1929 – February 15, 2013) – was an 8 Dan Aikido Aikikai Shihan and a Shinto priest. Was an Otomo for the O-Sensei and been teaching in the Hombu Dojo.
Koichi Tohei (20 January 1920 – 19 May 2011) was a first one to be promoted to a 10 Dan by the Morihei Ueshiba ever. He taught people like Hiroshi Tada, Seigo Yamaguchi, Mitsugi Saotome, Sadateru Arikawa, Kazuo Chiba, Yoshimitsu Yamada, Steven Seagal and many others.
Piotr Masztalerz studies Aikido since 1988. He’s a 6 Dan Aikido Birankai Shidoin based in Poland. For those who don’t know Birankai is an association of Aikido Practitioners and Dojos founded by T. K. Chiba Shihan, forged by rigorous training, tempered by mutual respect, and committed to the relentless pursuit of the art.