mas logog

Rock Climbing

Mountaineering

Avalanche Education

Telemark Ski School

Snowcat Ski/Board

Backcountry Ski/Board

Newsletter Sign Up
    

 

Home  

Home > Guides & Instructors

MAS Guides & Instructors


 

guides

About MAS Staff
 [top]

MAS prides itself on working with some of the best guides and instructors in the business. MAS staff are hired for their technical and personal skills and have proven themselves as professional educators, mentors and leaders. The MAS staff takes pride in leading safe, educational and fun programs.

MAS understands that your time and money are valuable and therefore strive to provide the best customer service and top-quality experiences whether the program is held 10 minutes or 10 miles from your car. MAS routinely receives strong accolades for instructor and course quality. We think you will notice the difference.

"Another great day courtesy of MAS. Tony is an excellent guide and we had a great day of climbing. I don't know how you and Aaron find them but you must have excellent hiring practices because everyone associated with MAS is first class! I look forward to my next adventure with MAS and thank you again for a great day."
(Ken Smith, June 2005)

MAS Guides
[top ]

aaron

Aaron Johnson is one of the owners and lead guides at MAS. Aaron has been an active leader in the outdoors for over 20 years and has spent most of his adult life recreating and leading folks in the mountains. Aaron is an enthusiastic rock climber, telemark skier and business developer at MAS.
Certifications: Wilderness First Responder (WFR), PSIA Level III Telemark Instructor, Level I Alpine Instructor, AIARE Level I Instructor; AMGA Rock Instructor Course.

 

kimi

Kimi Johnson is also an owner and guide at MAS. Not only is Kimi in charge of the books at MAS, but you will often see her teaching telemark, mountaineering, and rock climbing programs.  Kimi summitted Denali via the West Rib route in 2003.
Certifications: Wilderness First Responder (WFR) and a PSIA Level III Telemark Instructor, AIARE Level I Avalanche Instructor

 

paul

Paul Henrickson has been working with MAS since 1997. Paul commands a wealth of knowledge from the nordic ski world and is also an experienced avalanche educator, mountaineer and rock climbing instructor. Paul has received countless accolades for his depth of knowledge, clear communication and great sense of humor.
Certifications: Wilderness First Responder (WFR), PSIA Level III Telemark Instructor, and Level III Cross Country Instructor.

 

michael

Michael McCarthy originated in the Pacific Northwest and started guiding with Mountain Madness.  Michael moved to Bay Area in 2003 and started working with MAS shortly thereafter.  Michael is a well rounded mountaineer with vast amounts of teaching and guiding on glaciers, ice, snow and rock. 
Certifications:  Wilderness First Responder (WFR), AIARE Level III Avalanche graduate, AMGA Ski Guide Course graduate, AMGA Rock Instructor Course graduate, AIARE Level I Avalanche instructor

 

tony

Tony Brown lives in Gardnerville Nevada where he has quick access to Calaveras Dome, Bear Valley and our HIghway 50 climbing areas (Lovers Leap, Phantom Spires and Sugarloaf).  Tony is a active climber that enjoys sharing his skill and knowledge to enthusiastic climbers.
Certifications:  Wilderness First Responder (WFR), AIARE Level II; AMGA Certified Rock Guide

 

Steve Heerema is based out of Bear Valley during the winter when he does most of his work with MAS. Steve is an avid freeheel skier who is accomplished on the slopes, tracks and backcountry. Steve teaches all aspects of winter backcountry recreation and enjoys sharing this skills.
Certifications: Wilderness First Responder (WFR), PSIA Level II Telemark Instructor, and Level II Cross Country Instructor, AAA Avalanche Level I, Lake Alpine Nordic Backcontry Patrol.

Mark Lilly also lives in Gardnerville Nevada. Mark is most busy with MAS during his summer break as a High School English teach. Mark has a refreshing way of expressing his knowledge and enthusiasm for rock climbing and takes his time on the rock with clients seriously and always seems to keep everybody smiling and engaged during the course.
Certifications:  Wilderness First Responder (WFR)

 

Daryl

Daryl Teittinen lives in Murphys and is an experienced rock climber by summer and senior ski patroller at Bear Valley during the winter. Daryl is equally comfortable on the boulders, big walls, crack climbs and snow slopes while applying his skills and outdoor leadership skills.
Certifications
:  EMT + Outdoor Emergency Care, AAA Avalanche Pro, AAA Level II

 

Gratuities
 [top]

MAS guides work hard to provide top quality outdoor programs and experiences. Tipping your guide or instructor is a customary way to acknowledge that you have had a great experience.