Stefan has served as an Official for over 40 years now, starting as a Member of the Managing Board of the Austrian Waterski-Federation in 1968. His impact through this time simply cannot be measured. Stefan has been an International class 1 Judge, and an International Homologator since 1968, he was President of the EAME-TC from 1987-2012, and an IWSF resp. IWWF + Member of the IWSF-TC from 1987-2012. Stefan was also Vice-President of the IWSF-TC from 1984-2012, and a member of the World Executive Board from 1987-2002. Several times Chief Judge, Assistant Chief Judge or Judge at E&A (EAME) and IWWF (IWSF) world titled events. All the above together with his impact on the sport, make Stefan a well-deserving inductee of the IWWF International Hall of Fame.