Sensei Tom Furukawa is the Senior Sensei at OCIGK and a 4th degree black belt in Goju Ryu Karate. He started his martial arts training in Kyokushin Karate and received his black belt when he was 16 years old. He then trained in Enshin Karate where he competed in full contact (pre-MMA) tournaments.


Sensei Furukawa received his black belt in Goju Ryu Karate in 1996 from Kyoshi Roy Cadiente and has been teaching at the OCIGK ever since. The OCIGK became his home for continued training due to its focus on traditional karate while creating an inviting and nurturing environment.  

He is a father of 3 and former baseball player.  His daughter, Ashley and son Tyler are both OCIGK black belts. 


He received his Bachelor of Science in Information and Computer Science from the University of California, Irvine.


Teaching Philosophy:  Karate is for everyone, and anyone can learn.


Sensei Ed Der Hovanesian is a 3rd degree black belt in Goju Ryu karate.


While living in England in 80s he began to study martial arts.  He joined the military soon after and during his military service he continued to practice one-on-one combat and self- defense.


He earned his black belt under Kyoshi Roy Cadiente in 1999 and has been instructing with us ever since.  He has been with OCIGK for over 25 years. 


Teaching Philosophy:  Teach the fundamental applications for self-defense and many other life skills will develop.


Sensei George Escalante is a 2nd degree black belt who began training in martial arts as an adult. His interest in Karate piqued as the parent of a young child attending classes at OCIGK. He soon became a student himself under Kyoshi Roy, earning his black belt in 2011.


Sensei George has a daughter and two sons; both sons are OCIGK black belts. 

Sensei George earned Bachelor’s and Master’s degrees in physics from California State Universities Fullerton and Long Beach, respectively. He is in the final stages of completing a Ph.D. in Computational Sciences–Physics at Chapman University.


Teaching Philosophy: Emphasize a good work ethic in the dojo and that will positively impact other areas of a student’s life.