Founder, International Karate Organization KYOKUSHINKAIKAN
Masutatsu Oyama, also known as Mas Oyama
Sosai Masutatsu Oyama was born on June 4, 1923.
He studied martial arts from a young age and learned Karate from Gichin Funakoshi of Shotokan, Gogen Yamaguchi of Goju-ryu, and Soh Nei-Chu. After World War II, he secluded himself at Mount Minobu and underwent rigorous training. In September 1947, he won the first All-Japan Karate Championship held after the war.
From April 1948, he undertook another 18 months of intensive secluded training at Mount Kiyosumi. After descending from the mountain in 1950, he fought bulls with bare hands in Tateyama, Chiba.
In 1952, he traveled across the United States, performed Karate demonstrations, and engaged in matches with professional wrestlers and boxers. He continued to travel worldwide, performing demonstrations, teaching, and spreading Karate globally.
In 1964, he founded the International Karate Organization KYOKUSHINKAIKAN. In 1969 he introduced Knockdown Karate by holding the First All Japan Open Karate Championship. In 1975, he organized the First World Open Karate Championship, also known as the “Karate Olympics”, which sparked a global Kyokushin Karate boom.
He devoted his life to Kyokushin Karate and created over 12 million disciples in 120 countries worldwide.
Sosai Masutatsu Oyama passed away on April 26, 1994, due to lung cancer at the age of 70.