Buck is a multi-talented instructor, teaching both English and Wilderness Medicine courses. In fact, Tilton is the founder of the Wilderness Medicine Institute, which holds regular programming at the Central Wyoming College Sinks Canyon Center for students of the National Outdoor Leadership School as well as for Outdoor Education majors at CWC.
Tilton has been writing professionally since 1980 and has had 40 books published. He is the recipient of the Paul Petzoldt Award for excellence in wilderness education, the Warren Bowman Award for contributions to wilderness medicine, and the Ben Franklin Award, given to the second best humor book of the year.
For the past seven seasons, Buck has volunteered as a rescuer at Alaska's Denali National Park.