Climbing throughout North America. Teton first ascents. Major ski descents of Teton peaks. Ascents of over 400 different mountains in Greater Yellowstone region. Numerous ski and packrafting traverses of the Greater Yellowstone area. Backcountry ski guide and instructor. Author of of two definitive books on ski mountaineering and mountaineering: Teton Skiing: A History and Guide and award-winning Select Peaks of Greater Yellowstone: A Mountaineering History and Guide. Professional finger-style guitarist.