Ko ryu Jujutsu Federation

Kurodaiya geweldmanagement

Kurodaiya Internatinal Federation

Security Opleiding Suriname

Kurodaiya international schools :

Kieve Ukraine Chief Instructor: Valeri Borovlov

Kurodaiya Suriname Chief Instructor: Rick Tjitrodipo

Kurodaiya Nepal Chief Instructor: Surendra Singh Bist

Kurodaiya Italia Chief Instructor: Augusto Falconi and Stefano Del Rosso