Our Office Team
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Lisa Thompson
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Tye Chapman
Based in Bend, OR
Tye Chapman
International Program Director
With nearly two decades in the adventure travel and mountain guiding industry, Tye has guided treks across the globe, including Everest Base Camp, Kilimanjaro, Machu Picchu, Patagonia, and the Snowman Trek in Bhutan. While he has plenty of trail time, his primary role has been as an Operations and Program Manager, where he’s helped design, organize, and deliver world-class trekking experiences.
Originally from Oregon, Tye graduated from Oregon State University but spent many years in Seattle, which became home for his family. After over a decade in the city, Tye, his wife Erika, and their son Jack relocated to Bend, Oregon, drawn by the area’s abundant outdoor recreation — from hiking and trail running to skiing and river time.
When he’s not working, Tye enjoys coaching Jack’s baseball team, exploring new corners of Central Oregon, and getting to know the trails of his home state.
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Esteban Usuga
Based in Seattle, WA
Esteban Usuga
North America Program Director and Guide
Esteban grew up in Dallas, Texas, and discovered his love for the mountains on family trips to Colorado. While studying physiology at the University of Colorado Boulder, he spent his free time skiing and climbing. After completing a master’s degree in Boston, he decided to leave a career in medicine and pursue a life in the mountains.
Now based in Washington, Esteban is the North America Program Director at Mountain Madness, where he oversees the company’s domestic climbing, mountaineering, and backcountry ski programs. He also continues to guide, sharing his love for the mountains and helping guests develop the skills and confidence to pursue their own objectives.
Esteban is an AMGA Apprentice Alpine and Rock Guide and has a particular passion for technical alpine climbing, ski mountaineering, and exploring the Cascades. When he’s not working in the mountains, you can usually find him spending time with his loyal dog, Ash.
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Kayli Brown
Kayli Brown
Assistant Equipment and Logistics Manager
gearmanager@mountainmadness.com
Kayli grew up in Central Washington and took every opportunity to get outside and enjoy all the Cascades have to offer. She is a skier, climber, and mountaineer with a love of sharing the outdoors with family, friends, and community. When not climbing alpine routes, Kayli takes her dog Summit along with her partner around the PNW, exploring lakes and peaks. For the last few years, she has worked at local gear shops and amassed a wealth of technical gear knowledge related to products needed to adventure outside. When not in the mountains, she loves to spend days around Seattle, trying new coffee spots and local eats. Got a gear question? She will have an opinion for you.
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Andrea Biagioli
Based in Kansas City, MO
Andrea Biagioli
Accounting
Andrea Biagioli was born, raised, and still resides in Kansas City, Missouri. After earning a Bachelors of Accounting and Bachelors of Marketing from Iowa State University, she continued her studies at University of Missouri — Kansas City where she earned her Masters of Business Administration with an emphasis in Finance. She is now a Certified Public Accountant in both Kansas and Missouri as well as a Chartered Financial Analyst (CFA) and serves as the Director of Finance for Mountain Madness. While Andrea loves a beginner hike, her favorite vacations are on the beach. In her free time, she loves arts and crafts and spending time with family.
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Ash
Based in Seattle, WA
Ash
Concierge
Hailing from Colombia, he is fluent in English, Spanish, and dog speak. When not waiting to greet our next guest he can be found chewing sticks, checking in on the office staff, and sharing his good natured vibe.
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Steve Guthrie (in memoriam)
Steve Guthrie (in memoriam)
1957 – 2022 / RIP
Steve Guthrie passed away on June 20, 2022 at the age of 65. As a longtime outdoor enthusiast, his interests were diverse. From an early age he was an avid outdoorsman and eventually became active in search and rescue, mountain guiding, and teaching wilderness first aid and EMT courses. While never one to shy away from solitude, he was, and always will be remembered first as someone who loved to connect. Loving to share his knowledge and tell a good story, he was equally adept at listening. He will be very missed.
