Fred, a native of Switzerland, immigrated to the United States in 1939. He soon became a ski instructor at Sun Valley, Idaho, one of America's premiere ski resorts. In 1947, he moved to Aspen to become Colorado's most notable ski instructor and ski innovator. An instructor “par excellence” for over 40 years, his achievements include ski school director for Aspen and Aspen Highlands. He is the author of the best-selling book Invitation to Skiing.