About

At Threshold we are dedicated to promoting community, wellness and fitness through Rock Climbing!

Values:

    • Uphold the standards, keep current certifications and abide by the ethics of the American Mountain Guide Association, Climbing Wall Association and USA Climbing.
    • Customer Focused. We care about YOU!
    • Hosting the climbing community and watching it grow in a clean, fun and inviting facility.
    • Constantly invest in and provide the best equipment and services.
    • Providing opportunities for skill advancement.
    • Keep the psych high!

OUR TEAM

John Tarkington

John Tarkington

Owner & General Manager

John is an outdoor industry professional with a focus on indoor and outdoor Rock Climbing. Climbing since 2006. He has certifications ranging from the American Mountain Guides Association, Petzl Technical Institute, USA Climbing and the Climbing Wall Association. John guides outdoor trips as well as instructs climbers ranging from beginner to advanced.

Sierra Tarkington

Sierra Tarkington

Owner & General Manager

SIERRA IS A CLIMBING INDUSTRY PROFESSIONAL WITH A FOCUS ON INDOOR AND OUTDOOR ROCK CLIMBING. CLIMBING SINCE 2008. SHE IS AN AMERICAN MOUNTAIN GUIDES ASSOCIATION (LEAD) INSTRUCTOR AND CERTIFIED USA CLIMBING LEVEL 1 ROUTE-SETTER. WITH A DEGREE IN INTERNATIONAL BUSINESS AND A MASTER'S IN MUSEOLOGY; SIERRA APPLIES HER SKILLS FOR CULTURAL HERITAGE TO THE PRACTICE OF OUTDOOR CULTURE AND SUSTAINABLE INITIATIVES IN THE OUTDOORS.

Liz Warren

Liz Warren

Operations & Community Manager

Liz is an American Mountain Guide Association certified Lead Instructor, and the Operations and Community Manager at the gym. She completed her B.A. in Graphic Design at the University of Central Oklahoma. She does a little bit of everything around the gym including marketing, community building, and daily operations. Liz has worked at Threshold since early 2017, and loves introducing new people to the sport and the outdoors.

Chase Wehrenberg

Chase Wehrenberg

Program Manager & Head Coach

Chase just recently finished his Outdoor Community Recreation Major at UCO. He is excited about pursuing his professional career with Threshold and the AMGA. He loves to teach people how to climb and share his passion for the outdoors. He is very involved with his community at Bridgeway Church.

Ash Boydston-Schmidt

Ash Boydston-Schmidt

Retail Supervisor

Hailing from Philmont Scout Ranch in New Mexico, Ash is an AMGA Certified Top-Rope Instructor. She has been working in the Outdoor Industry since 2015. Ash had her first climbing experience in 2008 with her scouting group, and has loved the sport ever since. If not in the ProShop shop giving gear recommendations, she works to keep Threshold up to date on the gym gear our climbers use. When not at Threshold Ash loves to backpack, garden, listen to history podcasts, and just be in nature. One of her favorite quotes is: "Of all the paths you take in life, make sure a few of them are dirt." - John Muir

Daniel Heckman

Daniel Heckman

AMGA Instructor & Experience Leader

This is Brother Dan! He's been climbing for five years (mostly sport)! He is a Lead certified Instructor at Threshold; He's been on the team since early 2018. Additionally, he is working a B.S. in Mechanical Engineering at OU with the hopes of graduating in May 2020! If you ever need beta, gear advice, or a good belay, just reach out!

Devon Westbrook

Devon Westbrook

AMGA Instructor & Experience Leader

Devon has been climbing for four years and has worked at Threshold since May of 2018. He recently graduated with his degree in Geography from UCO and is currently enrolled in the Public Administration Masters Program at UCO. His favorite part of the job is cleaning up chalk!

Claudia Heckman

Claudia Heckman

Experience Leader

Claudia has been climbing since August of 2017 and has been a part of the team at Threshold since August of 2018. Throughout her life, she's always enjoyed the moments outside the most. Her love for nature translates into the art she makes with major themes circulating around the great outdoors. He favorite part of my job is introducing new people to the sport of rock climbing!

Marco Santos

Marco Santos

Route Setter, Coach & Instructor

Marco is a Route setter and Coach at Threshold. He is a lead certified instructor through the AMGA. He really enjoys watching kids on the Team reach their goals and push themselves. He is currently studying Psychology & Music at OCU.

Bradford Meziere

Bradford Meziere

Experience Leader

Bio coming soon!

Jesse Walls

Jesse Walls

Instructor & Coach

Jesse is a Coach and Instructor at Threshold. He started climbing in Colorado about 3 years ago. Loves to be outdoors and to watch people accomplish their goals. Not near as strong as everyone thinks due to his favorite food: chocolate chip cookies.

Elisha Gallegos

Elisha Gallegos

Coach & Instructor

Elisha Gallegos has been rock climbing since 2013, and she has traveled around the country for climbing. She has climbed in the West and North. She has also ice climbed in The Cascade Mountains in Canada. She and her partner established a first ascent on Challenger Peak in Southern Colorado, and a First ascent in The Wichita Wildlife Refuge in Oklahoma. She has also accomplished a personal record in The Arkansas Horseshoe Hell 24-hour competition with women’s first place in 2018, and in The Granite Gripper in Enchanted Rock Texas in 2018 with first place. She has been teaching in Oklahoma City Public Schools since 2014. She teaches Fine Arts in Elementary levels. She has experience with American Sign Language, Child development, diverse learning techniques, and adaptive climbing.

Austin Smith

Austin Smith

Coach & Route Setter

Likes to talk and likes to train. Probably does a little too much of both. You can find him in the gym training himself or others. Always happy to help with questions if he is able.

Rex & Ueli

Rex & Ueli

Ambassadors & Good Dogs

You may see us working the front desk greeting you as you enter. We are passionate about climbing, chasing the ball, and treats. PLEASE PET US! #boulderbois

Partners

Our instructors are certified through the AMGA.

We host local USA Climbing competitions and follow USAC standards for Route Setters and our Climbing Team.

We accept funding through Epic for our Youth Programs!

We parter with the YMCA to offer discounts to YMCA Members.