Template:Multiple issuesChuck Merriman has served as Head Coach of the AAU National Karate Team and member of the AAU national karate Coaches Committee. He is also a member of the AAU National Karate Program Technical Committee and has acted as Chief Arbitrator for AAU Region One Karate and for the AAU National Karate Championships. He has been instrumental in popularizing karate in general, and Goju-Ryu karate in particular throughout the western world.