少林拳
Hatza is an instructor of Ch'iang Shan Baguazhang (Pa Kua Chang), Xingyi Chuan, and Tai Chi Chuan at the Chinese Boxing Academy in Catonsville, Maryland. He has over forty years of martial arts experience, including Shotokan, Shaolin Kung Fu, Snow Tiger, Yang Style Tai Chi, Hsing-I, and Baguazhang (Pa Kua Chang).