F.T.O. KARATE-DO Chief Instructor George Venkov DNBK Certified Posted on 01/08/201513/07/2016 by George F.T.O. KARATE-DO’s Chief Instructor George Venkov receives his qualification certificate from “Dai Nippon Butoku Kai” (DNBK) 大日本武徳会 (“Greater Japan Martial Virtue Society”), Kyoto, Japan. Congratulations George