With a black belt in the ancient Korean martial art of Hapkido, Master SimBa teaches the practices of joint manipulation and escape tactics. Grandmaster Chae Un Kim is Master SimBa's Hapkido master and Grandmaster Kim is known as a trainer for local and federal law enforcement officers and military special forces.  

Master SimBa spent fifteen years as a police officer. With much practical application during that time , Master SimBa has a simple sense of what gets the job done and what is fluff. Grandmaster Kim focuses on techniques that get the job done in a hurry.