Beginningbjj.com ., — 2008 . — 35 p . About the Author . Stephan began his martial arts training in 1981 . He currently holds the following ranks and certifications : Black Belt in Brazilian jiu-jitsu Instructor in Erik Paulson's Combat Submission Wrestling Black Belt in Kajukenbo Karate Instructor in Dan Inosanto's Jun Fan Jeet Kune Do, Filipino . Martial Arts , and Maphalindo Silat . Years of experience in a wide range of other martial arts including Judo , Muay Thai , Sambo , Kung Fu , and Capoeira.