Ajarn “Chai” is known worldwide for the quality of his Muay Thai seminars. He has been involved in Thai Boxing since he was 4 years old, and has been teaching in the U.S.A. since 1968. He presides over the Thai Boxing Association of the U.S.A. as well as the Thai Boxing Associations in more than a dozen other countries. He has been featured in Inside Karate, Inside Kung-Fu, Black Belt, and many other martial arts magazines. Ajarn Chai has trained many kickboxing and boxing champions, and was a conditioning coach for the Dallas Cowboys.