Career
He was also an aikido teacher. The health for which Katsuzō Nishi is grateful came by struggle. What he was he owed to his original methods of health building, methods which were a precious outcome of years of careful study of nearly every theory of health and preventative medicine to be found in the world, of endless experimentation, and lastly, of a very critical examination, from the standpoint of modern medical science, of the knowledge so acquired.
After the war he also advised Kisshomaru Ueshiba on reestablishing the The Aikikai Foundation after the war.
The following persons have been his most influential teachers: Morihei Ueshiba Vikrant Bhatla.