Senior Guide
With RMI
Tatum grew up in South Lake Tahoe with the Sierra Nevada as her outdoor playground. In the winter she spent her time ski racing and later became a freeride competitor. She moved to Bozeman, MT where she attended Montana State University. Tatum now spends her winters ski patrolling at Big Sky Resort, and teaching avalanche courses. On a day off you can find her rock climbing, trail running, mountain biking, backcountry skiing, ice climbing and mountaineering. Tatum decided to pursue a career as a mountain guide in hopes of instilling a love and appreciation of the mountains with others.
Multiple | Mt. Rainier, Washington, USA | 14,410' (5 routes & ski descents)
2 | Mt. McKinley, Alaska, USA | 20,310' (successful expeditions)
Multiple | Mt. Baker, Washington, USA | 10,781' (3 routes incl. ski descent)
1 | Mt. Shuksan, Washington, USA | 9,131' (White Salmon Glacier ski descent)
Multiple | Mt. Hood, Oregon, USA | 11,249' (ski descents)
1 | Mt. Adams, Washington, USA | 12,276' (ski descent)
Multiple | Ski Descents (Northern Rockies, Sierra, Tetons, Canadian Rockies)
Multiple | Alpine, Rock & Ice Climbing (Cascades, Sierra, Tetons, Northern Rockies)
1 | Granite Peak, Montana, USA | 12,807' (women’s fastest known time)
1 | Mt. Baker, Washington, USA | 10,781' (fastest known time)
RMI Expeditions Guides are required to hold a number of certifications, but many go above and beyond with their technical and outdoor training. We actively encourage (and provide funding for) our guides' continuing education.
November 2, 2025
Program Name
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November 2, 2025
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-Name
Leadership
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