Cindy Kleh has ridden a snowboard for over 25 years while living at the top of the Colorado Rockies. She has held the U.S. National Overall Snowboarding Title since 2008, and is the 2011 GS, Slalom, Boardercross, Superpipe and Slopestyle National Champion for women 50-59. Kleh writes, photographs and edits for Grand County Living and Nordic Ski Colorado magazines. Her first published book, Snowboarding Skills (2002), is a full-color instructional snowboarding book.
Hilary Koll is a part-time Mathematics Co-ordinator and teacher of children in Berkshire Primary school. She works as a Lecturer in Mathematics Education at the University of Reading on undergraduate, post-graduate and in-service training courses.