History
Grandmaster John Byrne began his training at the age of 6 and earned his first black belt at age 15. He, and his twin brother, GM Ed Byrne, practiced martial arts together. GM Byrne and his brother earned numerous World Records in board breaking competitions across the country. After a stint in the US Air Force, GM John Byrne began teaching martial arts at the YMCA and ultimately founded ASKJ, where he incorporated numerous martial arts into one inclusive art known as the 5 Circle System. When GM Ed Byrne died, GM John Byrne continued their goal to operate the best martial arts school in the Midwest. GM Byrne holds degrees in 7 different martial arts. He has achieved grand champion status in Karate, Taekwondo, and Judo. Over the years he has earned many awards, including
