Mr. Wos began his teaching career in 1993 when he became a certified instructor with the Tracy organization. Since then he continues his training, attaining a 6th degree black belt in Chinese kenpo. In 1995 John met and began his training with Mr Bart Vale of the I.S.F.A. ,and is currently a 2nd degree black belt in the art of Shootfighting. In addition John is a certified official training instructor of Pankration for the Olympics, and in 2013 he was inducted into the kenpo hall of fame.