Career
Tyllesen trained in Copenhagen, Edmonton, and Lake Arrowhead, California, and worked with choreographers Lorna Brown and Igor Bobrin. He represented Denmark at the 1994 Winter Olympics and 1998 Winter Olympics, where he placed 13th and 9th, respectively. His career-best placement at the European Championships was 6th in 1993.
After retiring from competition in 2000, Tyllesen performed in ice shows for nine years and then became a coach in Denmark.