A world champion kickboxer John Graden led martial arts into the modern era by creating the first professional association, trade journal & instructors certification program.
A world champion kickboxer John Graden led martial arts into the modern era by creating the first professional association, trade journal & instructors certification program.
Join the martial arts Teacher of Teachers, John Graden as he explores important and controversial questions about martial arts instructors, schools and the business.
Graden is the author of the be...
