US National Park Service climbing ranger, mountain rescue and helicopter short-haul rescue specialist (Grand Teton and Denali National Parks) for 34 years. Recipient of three Department of the Interior Valor Awards. Climbing for 47 years. Co-authored A Climbers’ Guide to the Teton Range with Leigh Ortenburger. Numerous first ascents and first winter ascents in the Teton Range including the first winter ascents of the Direct South Buttress on Mt. Moran, the Northwest Chimney on the Grand Teton, and the Grand Traverse. Ski descent of the Grand Teton in 2007. Extensive climbing experience in the western US including Yosemite, Alaska, and the southwest desert. Climbs include ascents of nine routes on El Capitan, an early alpine-style climb of the Cassin Ridge (1979), and many sandstone towers. Participated in seven Himalayan expeditions including two to Mt. Everest (1983, 1987), the first ascent of the North Face of Cholatse (1984), an ascent of the southwest ridge of Ama Dablam (2010), and an attempt on an unclimbed peak in Lakakh, India (2015). Instructor at the Khumbu Climbing Center in Nepal in 2009, 2012, and 2014. Ski patrolman at Jackson Hole Mountain Resort for 15 years.
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