Spending almost 12 months a year on or near a river in some of the most pristine and well known fly-fishing areas in the world has given Klaus unique knowledge of fishing and operational management. He has played a key role in the R&D department for well-known Scandinavian tackle companies, and today he is involved in rod and line design for Loop Tackle Design. His work and passion have taken him to countries like; Iceland, Cuba, Chile, Argentina, the US, and Canada, where he has been a popular lecturer, fly-casting teacher, and a headliner at many Spey Claves and shows around the world. He has also appeared in several fly-fishing films. Klaus was probably the first foreigner to fly-fish Lago Strobel (also known as Jurassic-lake) in Argentina, catching king salmon on a flyrod in Rio Serrano (Chile) or Rio Catarina in Argentina, places few people had heard of and even fewer have fished.