62-year old Ken Rebstock is a 5th dan black belt in American karate, a 4th dan black belt in American taekwondo and Shizen-Na karate, and a judo green belt. An instructor with the American Martial Arts Alliance, he is also a member of the International Council of Grandmasters and a 2018 inductee into the American Martial Arts Alliance Who’s Who in the Martial Arts roster.