International exterior judge for the FCI group IV (Dachshunds) since 1990, for the FCI group VI (Scenthounds and related breeds), X (Sighthounds) and the other breeds since 2000. Officiated judge in Slovakia as well as abroad – Hungary, Poland, the Czech Republic, Austria, Germany, Finland, France, Slovenia, Croatia, Romania, Ukraina, Lithuania, Latvia, Luxembourg, Moldavia, Monte Carlo, Belgium, Italy, Spain, Serbia and Monte Negro, Bosna and Herzegovina, Bulgaria, Netherlands, Japan, Puerto Rico, Chile, Argentina, Portugal and Russia.