Complex sentence: He graduated from Meiji University with a degree in economics, master of the Aikido World Headquaters in 1986 and in 1996 is and still is the chairman of the Aikikai foundation.
Split into simpler sentences: He graduated from Meiji University with a degree in economics. He assumed direction of Aikikai Honbu in 1986 and in 1996 became chairman of the Aikikai foundation.