Denys began his career in France in 1989. He has competed in many international grooming competitions and is a Golden Awards winner in many classes in both Europe and the US. Denys was the 1997 Oster Tournament of Champions where he specialized in hand stripping. He is the European Oster Ambassador and the Vice President of EGA (European grooming Association). He is a well-known judge and speaker in the grooming industry and breeds Lakeland terrier’s, under the prefix Slicey, who have earned many international and world titles.