Having studied Taekwondo for more than 20 years, Master Curtis Mast earned his Kukkiwon certified fifth degree black belt. Using his years of training, Master Mast opened Atlanta's United Tae Kwon DO, which now resides on West Howard Avenue close to the Thinking Man Tavern. One-on-one private lessons are available, as well as an introductory special that can be downloaded on the company's website.