• Ukas Mihardja sensei is my first sensei.He is founder Bhinneka Shakti Goju Ryu Karate student under Yamaguchi Gougen Fouder of Gojukai.Ukas Mihardja sensei learning & practise goju ryu at Retsumikan Dojo.

M.Juju Suhaeri is my sensei at Seskogab (Sesko TNI now) & Army Pharmacy (Lafi-AD) he is student under Ukas Mihardja Sensei.

Met Kunihiro Isshi sensei and my Gi were signed by him

with Gojukai-Ikga committe at Pusdikpal cimahi ( Nikko sensei ,Frengky Parengkuan sensei ,Wisnu sensei ,Richard Menwijaya Sensei, Danpusdikpal and friends.

with Tanto Nugroho sensei Chief Instructor Seiwakai Gojukai Indonesia/Goju Ass Karate-do Indonesia member of Indonesian Karate-do Federation

with Prawoko Aska Sensei,Head Master Goju Ryu Karate-do Shinbukan Indonesia.Member of Indonesian Karate-do Federation

with Maximillian President of Injukan (Indonesia Goju Ryu Karate-do Seibukan)/Okinawa Goju Ryu Seibukan Indonesia