Tsuruzo Miyamoto was born on March 30, 1953, on the island of Kyushu, Japan. He is an 8 Dan and one of the most respected Hombu Shihans at the moment.
Christian Tissier was born on February 7, 1951, in Paris, France. He began aikido at the age of 11 under the Jean-Claude Tavernier in his native city and soon on moved to train under the Mutsuro Nakazono, 7 Dan Aikido Aikikai. In 1968 Christian received a 2nd Dan from Nakazono Sensei and made a plan to go to Japan after.