Bill Clark is a 9th Degree Black Belt, the ATA Master Council Founder, a martial arts and business innovator, and the creator of the Warrior Training Systems: Warrior Martial Arts, Warrior Kali, Warrior Krav Maga, Warrior Fight Club and Warrior XFit.

Clark trained under ATA International's founder, the Eternal Grand Master H.U. Lee. In 1971, after reaching second-degree black belt, he opened his own school - which is still in operation to this day! In 1976, he was named Professional Kickboxing Association (PKA) fighter of the year. He has also won the PKA championships and the ATA Grand Nationals.

This great training session with Master Clark features a blend of fitness and martial arts that's great for anyone!