Since he was the first student to get shodan , his Sensei tried to apply the requirements of the necessity of doing kumite against all the participants who presence(senior members ) as many as 17 persons. Each bout for 3 minutes.
1975 : shihan passed his nidan .
June 1981 : shihan was dismissed by my Sensei , because I proposed to change the system of the organization from centralized become decentralized.
24 Oct.1981 :Sosai Oyama has its own ideas and does not agree with his sensei’s decision and appoint shihan as a Branch Chief at Semarang city, Central Java.
Sept. 1984 : Sosai Oyama appointed shihan as Indonesia Country Representative
1995 : joined Nishida group (IKO-2) and had already registered .
2008 : Shihan were Totally active at WKO Shinkyokushinkai
2011 : Elected as the President of WKO Shinkyokushinkai , Asia Regions . and still continuing his dicisions and passion in karate had gained more respect to the organization through these years