Frank Tsai, Moo Duk Kwan® Dan Bon #32700 Sa Bom is an internationally certified Master level practitioner and master level Instructor (Sa Bom) of the Soo Bahk Do® martial art system taught in Moo Duk Kwan® schools worldwide. He has been appointed by Moo Duk Kwan® President H.C. Hwang to serve on the United States Soo Bahk Do Moo Duk Kwan Federation®Technical Advisory…