Internationally Certified Guide, Climbs throughout the US, Canadian Rockies, Patagonia, and Trango Towers of Pakistan. Eighteen ascents of El Capitan in Yosemite via 14 routes. Established new route on El Capitan, 'Disorderly Conduct' (VI A5). Speed record on 6 classic grade VI walls in Yosemite, including North America Wall in just over 9.5 hours. Fastest on-sight ascent El Capitan. Pioneer of alpine-big-wall speed climbing. Steep ski descents of Gervasutti Couloir and north face of Aiguille du Midi from Col du Plan in Chamonix, France. One-day ascent of Beyond Good and Evil (V M6) in Chamonix. Ski descent of Grand Teton via Otterbody Snowfield. Heli-ski guide for Valdez Heli Ski Guides. Member of the W. L. Gore and Associates Mountaineering Council. Two seasons with Yosemite Search and Rescue. Recipient of AMGA Guide of the Year Award.