Self-Defense / CQC Instructor John has been training for over 45 years with an emphasis on self-defense and close-quarters combat. He has trained in Eastern and Western fighting systems, including jujutsu, judo, eskrima, karate, boxing and wrestling, and spent 20 years studying under a former instructor of the United States Secret Service. John earned instructor certifications in Yawara (Japanese Jujutsu - 3rd deg. black), Arnis de Mano (Filipino martial arts) and To-de (Okinawan streetfighting - 6th deg. black).