Dave Hahn is a senior guide and supervisor for Rainier Mountaineering, Inc. and one of the world’s most experienced and respected big mountain guides. During the course of a 25-year career, he has amassed 270+ summits of Mt. Rainier, 28 expeditions to Denali resulting in 20 summits, 21 expeditions to 8,000-meter peaks resulting in 14 summits of Mt. Everest (via both the SE and NE Ridge routes and the most times by a non-Sherpa) and two summits of Cho Oyu. He has guided in the Antarctica Interior since 1995, resulting in 29 summits of Mt. Vinson and numerous trips to South Georgia (guiding the "Shackleton Traverse") and the Antarctic Peninsula. He has spent several seasons guiding classic routes in the Alps including Mont Blanc, the Matterhorn, Monte Rosa and the Jungfrau. He has spent the “off season” at Taos Ski Valley as a Ski Instructor (1985-1991) and Ski Patroller (1991-present). He has been a contributor to Outside Magazine and was a key member of the 1999 climbing team that discovered George Mallory's remains at 27,000 ft on Mt. Everest's North Face. He is the recipient of The David A. Sowles Award (AAC), The Denali Pro Mountaineer of the Year Award (NPS), and the Citizens Award for Bravery (US Dept of the Interior).

• 14 summits of Mt. Everest (29,029') -- The most by a non-Sherpa climber
• 270+ summits of Mt. Rainier, Washington (14,411')
• 20 summits of Mt. McKinley (20,320')
• 2 summits of Cho Oyu (26,906')
• 29 ascents of Mt. Vinson (16,067') and neighboring peaks in Antarctica
• First successful guided repetition of the Shackleton Crossing on the Island of South Georgia
• Certified Emergency Medical Technician
• Certified U.S. Avalanche Level II
• Longtime professional climbing guide and ski patroller