EXPEDITIONS
1980 Wyoming Alpine Club Mt. McKinley Expedition
1981 Trans-America Bicycle Trek
1982 Yellowstone Circumnavigation Ski Trek
1983 Trans-Europe Bicycle Trek
1984 ShishiPangma Tibet American Expedition (26,285 ft); 2nd American ascent
1985 Trans-Eastern Bloc Bicycle Trek; Orizaba Expedition
1986 U.S. Everest North Face Expedition
1987 Trans-Africa Bicycle Trek, ascents of Mt. Kenya and Kilimanjaro
1988 Swedish Arctic Circle Expedition, first ascent of highest peaks
1989 Siberian Passage, first coast-to-coast crossing of Russia by bicycle
1991 Niger River Expedition, first descent of the Niger River in West Africa
1992 Bolivia Expedition, solo ascent of north face of Huayna Potosi (20,000 ft.)
1993 Burma Expedition, first ascent of two 20,000 ft. peaks in Tibet
1994 Orizaba Expedition II
1995 Waddington Expedition (Canada), first ascent of the Dahlgleish Face
1996 Arunachal Pradesh Reconnaisance Expedition
1997 Aconcagua Expedition (23,000 ft.)
1998 Northern Burma Reconnaisance Expedition
1999 Northern Burma Reconnaisance Expedition II
2000 Denali Expedition
2001 Ethiopian Highlands Expedition, Matterhorn Traverse
2002 United States Marine Corps Winter Training Expedition
2003 Burma Road Expedition
2004 Afghanistan Wakhan Corridor Expedition
2005 Eastern Tibet Expedition
2006 Bhutan Traverse Expedition
2007 Nanga Parbat Polish Winter Expedition
2008 Eastern Congo Mountain Gorilla Expedition
2009 Greenland Climate Change Expedition
2010 Keketuohai China Expedition
2011 Nat Geo Deepest Cave in the World Expedition; Norway Ski Traverse
2012 Nat Geo Everest Expedition; Nat Geo Largest Cave Expedition to Vietnam
2013 Altai Mountains Ski Expedition
2014 National Geographic Burma Expedition
2015 Lowest to Highest---Death Valley to Mt. Whitney---Expedition
2016 First Ascent of Southeast Face of Nyambo Konka, Tibet
2017 Sinai Rock Climbing Expedition, many first ascents
2018 Transylvanian Alps Traverse
2020 First Ascent of the NorthEast Buttress Direct on the North Face of the Grand Teton
2023 First ascent of “The Wyoming Route” on the South Face of Mt. Kenya