David Gemberling currently holds the rank of 6th dan black belt in Freestyle Tae Kwon Do. Mr. Gemberling has studied a variety of styles throughout his 30 years of training. He holds a 3rd dan black belt in Chin Mu Kwan Tae Kwon Do, and also holds rank in Ju-Jitsu, and Arnis.
Over the 30 years of training Mr. G has competed in hundreds of open and traditional Karate tournaments and holds numerous grand-champion trophies, gold medals, and hundreds of first, second and third place trophies. Mr. Gemberling prides himself on training his students in the art of self-defense, as well as how to be top-notch competitors. When Mr. Gemberling is not teaching his students how to defend themselves, he is spending time with his two children.