Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Hiroshi Isoyama - Hiroshi Isoyama ( Isoyama Hiroshi) is a Japanese teacher of the martial art of aikido. He began training in the Iwama Dojo at the age of 12 as a direct student of the founder of aikido Morihei Ueshiba in 1949. He currently holds the rank of 8th dan shihan in the Aikikai and is that organization's Technical Councillor. Isoyama was made the acting head of the Iwama dojo on behalf of Ueshiba Moriteru following the passing of Morihiro Saito.
The answer to this question is:
Athlete