Ryusei Karate-Do’s organizing body is the Ryusei Karate-Do Federation, based in Kumamoto, Japan. It is headed by Ken Sakamoto-Hanshi, who provides technical guidance to Ryusei Karate-Do organizations in Australia, Canada and the United States. The Ryusei Karate-Do Federation licenses instructors to teach, issues dan (black belt) certificates and disseminates teaching materials.