Kyokushin Karate is the system which was developed by the legendary Sosai Mas Oyama 10th Dan. Kyokushin Karate is a system that is famous for its tough fighters. It was the first Karate system that incorporated low kicks as a main part of the system.

Soke Cook 9th Dan, spent fourteen years with Sosai Mas. Oyama's Kyokushin Organisation. He is the author of the two excellent books based on the Kyokushin Style - Power Karate, Volumes I & II.

In 1977 he was one of the first two Europeans to complete the 50 Man Kumite. (Fifty rounds of full contact Kyokushin fighting, two minutes each, without any rest periods).

At one time he was a Kyokushin Branch Chief and the Chairman of the Swedish Karate Kyokushinkai.