Sifu Kalaitzidis started his martial arts training in 1980 as a youth under the guidance of the late grandmaster, Kwong Tit Fu. After receiving his black belt, second degree, he left to oversee his family's restaurant business.
In 1996, he returned to the system with his oldest son, this time to continue study under the guidance of Master Calvin Chin. In 1999, Sifu Kalaitzidis was Gold Belt certified by Calvin Chin, sanctioning him to teach the Fu Hok Tai He Morn system. He was chief instructor for five years at an affiliate location and now assists at the Newton Academy.
Sifu Kalaitzidis' most notable tournament accomplishments include medals won in full contact and continuous fighting. Today, he continues to teach sparring classes at the academy.