Young teacher; commonly refers to the son of a master of any art before he becomes the successor. In the aikido world, the first wakasensei was Kiyoshi NAKAKURA (Morihiro Ueshiba) who became the adopted son of Morihei UESHIBA in the mid-1930s. The second wakasensei was Kisshomaru UESHIBA while the founder was still living. The present wakasensei is Moriteru UESHIBA, son of Kisshomaru.