(b. 1 April 1940). 6th dan Aikikai. Graduate in economics from Nihon University. Entered the AIKIKAI HOMBU DOJO as an UCHIDESHI in the late 1950s. Dispatched to Cleveland, Ohio in March 1966 and relocated to Philadelphia, Pennsylvania shortly thereafter. Maruyama remained in the U. S. through the early 1980s before returning to Nagoya, Japan. He sided with Koichi TOHEI upon the latter's separation from the Aikikai in 1974. He visits the Philadelphia area regularly and heads an organization known as the KOKIKAI established c. 1986. Maruyama is also an avid collector of Japanese swords. Nagoya Dojo, 4-2-5 Kinjiyo, Kita-ku, Nagoya, Aichi-ken Japan (052)914-0595 Kokikai Dojo, 6907 Rising Sun Ave. , Philadelphia, PA 19111 USA (215)728-9380.