Certified Alpine and Rock guide, guide for 34 years, first ascent Rudshe Konka,1982, China. Expeditions to Bhutan, Chile, China, India, Nepal,Peru, and Tibet. Explorations in Shagskam region, Xinjiang, China, Northern Karakorum. Leader 1989 Ski Expedition to South Pole. Co-leader Patagonian Ice Cap Traverse, 1991. Guide on Nupste, Lhotse, McKinley, Ama Dablam, Carstenz Pyramid, Elbrus and Aconcagua. Reached summit of Mt. Everest in 2000 with clients. First person to have guided all Seven Summits in a one year period. Member - Marmot Mountain Ltd. Design Board. Owner of Professional Mountain Guides, Jackson Hole. Senior Guide at Exum Mountain Guides.