塩田剛三
Terada received his 9th degree black belt from Gozo Shioda Kancho in 1990. At this time he also received the title of Saikō Shihan (Chief or Head Shihan). He served as the president of the National Yoshinkan Renmei and the president of Aikido Yoshinkan Seiseikai. Terada held the title of Yoshinkan Aikido Saikō Komon. (Yoshinkan Aikido Supreme Advisor). It was announced in January 2008 that Terada had been awarded 10th dan by the Yoshinkan Foundation making him the first to receive such an honor by the Yoshinkan.