Our school is directed by Sensei Roberto Coloma-Rivero, with the 6th grade Dan Isshinryu Karate-Kobudo, at the hands of Hanshi Fred Van De Vijver, being the representative for Chile of the Koden Isshinryu Karate Kobudo Kenkyukai, one of the few that continue the same line driven by master Tatsuo Shimabuku.

After years of uninterrupted serious practice in Okinawan Karate-Kobudo, he remains faithful to the DOJO tradition, this has led him to share with different martial arts teachers in different seminars and classes, achieving a refined technique in Kumite and impeccable execution in Kata.

He has conducted numerous national and international martial arts seminars, aimed at students of different styles, standing out both in the practice of traditional Karate-Kobudo, as well as in the sports field, being part of the Chilean National Karate Team, being national champion in different opportunities, at the university level and at the South American, Pan American and European level in competitions of the World Karate Federation (WKF).

In recent years, along with teaching and maintaining the operation of SUNSU-DOJO, he has held a large number of seminars throughout our country, both on Karate-Kobudo Isshinryu, as well as on female self-defense and to members of the Army.