Millers Sport Tae Kwon Do 119 Golden Gate Cir, Napa, CA94558 Millers teaches its own brand of non-traditional Sport Tae Kwon Do. The martial arts studio owner is master Steve…More Miller. Levels are grouped in teams. Many of Mr. Miller's teams make it all the way to national competitions. Some participate in Olympic competitions nationally. They competed in Orlando Florida in 2010. In 2009, the Austin, Texas competition gleaned them two silvers and two bronze medals. While in train mode national teams train nightly. Ages six and up are welcome.