Nakajima Sensei

Since 1974, Hiroshi Nakajima Sensei has lived in Geneva, where he originally moved at Sasaki Sensei's request to serve as official overseas instructor.

In 2009  Nakajima Sensei established Internationale karate Rengo (IKR) and in 2025, Swiss Karate Rengo (SKR).

Nakajima Sensei holds the grade 9th Dan as Head Instructor, and he is a former WUKO (WKF) referee.