Professor Hans Ingebretsen Professor  Hans Ingebretsen has been practicing martial art since 1974, and holds the rank of shichidan in kenpo karate (through the American Jujitsu Institute) and shichidan (seventh degree black belt) in Danzan Ryu Ju Jitsu (through Kilohana Martial Arts Association). He is ranked Hapa Lima Kekele’ele’ele (fifth degree black belt) in the Kaihewalu … Continue reading Instructors