Our Guides

Meet the guides of California Climbing School

Theresa, Erik, and their son Forest, at Tahquitz Rock.

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Erik Kramer-Webb

Erik started rock climbing in 1987 and has been a full-time climbing guide since 1997.  He has over 2200 days of experience guiding in Joshua tree.  Erik is an AMGA Certified Rock Instructor.

Erik taught mountaineering and climbing courses as an instructor with NOLS and Outward Bound.  He is known for his clear and patient teaching style and furthermore has a solid background in natural history.  He has a B.S. in natural resources.

Erik has climbed and guided all over the western states.  He has climbed El Capitan 5 times and has summited many of the glaciated peaks in the Cascades. Erik is a Certified Wilderness First Responder with Wilderness Medical Associates.

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Theresa Walsh

Theresa started teaching rock climbing in 1993 and is an AMGA Certified Single Pitch Instructor.  She is a former NOLS and Outward Bound instructor and has a B.A. in outdoor recreation.  She has climbed in almost all of the western states and was a climbing guide for the Yosemite Mountaineering School.

Theresa has safely guided many groups to remote peaks despite less than ideal conditions, and her enthusiasm and positive outlook have always lifted the spirits of her companions.  Theresa is a Certified Wilderness First Responder with Wilderness Medical Associates.

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Szu-Ting Yi

Better known by her nick name, Ting-ting,  we are proud to have this talented climber and alpinist on our team.  Ting-ting was raised in Taiwan and is fluent in both English and Mandarin.  She is an AMGA Assistant Rock Guide and is quite close to achieving her full Rock Guide Certification, which requires passing an extremely rigorous exam.

Ting-Ting has recently returned from doing first ascents of long rock climbs in Patagonia. She recently splashed onto the cover of the NOLS Leader magazine due to her record-breaking traverse of the Wind River Range in Wyoming.  She climbed 33 peaks while only being in the mountains for 20 days!  Ting-ting also owns her own guide service, called LittlePo Adventures.

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Matthew “Mateo” Navarro

Matthew Navarro (aka, Mateo) was born in Palm Springs California, just 20 minutes outside Joshua Tree National Park. Matthew’s background is in traditional climbing but loves to sport climb and boulder as well. He doesn’t just see climbing as a recreational sport, he views it as an art. A way one expresses themselves through the poetry of motion. He believe’s through the movement and experiences climbing provides, one finds many benefits to the Body, Spirit, and Mind. He is also is a big fan of Leave No Trace ethics and is keen on knowing his environment.

Some of Matthew’s favorite climbing spots are Fontainebleau in France, El Potrero Chico in Mexico, local areas like Eagle Peak, and Joshua Tree. Matthew has a current certification as a Single Pitch Instructor with the AMGA and holds a Wilderness First Responder. Matthew is currently looking at furthering his guiding career by enrolling in the AMGA Rock Guide Course in the coming year.

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