Stefan achieved his black belt in 1996 in Tai Jitsu (Traditional Jui Jitsu). Since that time had joined the police and currently teaches self defence as part of his role. Has done boxing, trains in free style wrestling, Brazilian Jui Jitsu and Wing Chun which is under Mark Lane. He currently runs his own junior classes on a Friday. Not only wants to pass his knowledge onto other people but also wants to learn and achieve more himself.