Yoshinobu Takeda (Aikido)
Takeda began training at the Aikikai Hombu Dojo in 1960. During his time there, he trained with master teachers including Kisshomaru Ueshiba, Sadateru Arikawa, Hiroshi Tada and Nobuyoshi Tamura. His primary teacher was Seigo Yamaguchi.
Aikido Kenkyukai International
Aikido Kenkyukai International was started by Takeda as a way to further explore Aikido. The word "kenkyukai" translates to roughly mean "research group". There are currently AKI dojos in Japan, Australia, Indonesia, New Zealand, Canada, USA, Argentina, Chile, Peru, Uruguay, England, Germany, and Tanzania.