Was born on May 30th 1927 at Akahira-Machi, Shuri City in Okinawa. His family shifted to Osaka,  City in 1929 when he was two years old.
And he remained in his father's house until now
He obtained permission from his father and joined his school when he was 13 years old and
Therefore have been in Shito Ryu Karate Do for 60 years!. He first obtained his Shodan
(first dan) on August first 1943 and presently holds the Jyudan (10th Dan) and is a well respected Master not only in Japan but also throughout the World.
His Organization, Nihon Karate Do Kai formally
Known as Dai-Nihon Karate Do Kai was founded
By his father in 1939. After his father's death in 1952, his mother Mrs. Kame made him the 2nd Governor of Shito Ryu and successor to his Organization.
His father left him the Shito Ryu name, his complete syllabus and the dojo with the Association name Nihon Karate Do Kai. All these remain intact until today. He followed his father's syllabus
Exactly the way it was written down in 1929 and
That's why he called Seito Shito Ryu or pure, true Shito Ryu Karate Do.

*Soke Mabuni's told his students in the USA.