Meet our Staff

Joe Santo

Arinn began her MetroRock adventure in 2014 at our Everett location, where she took nearly every climbing and professional development opportunity possible. She has since became our General Manager and when she isn't in the gym, she works as an EMT-B and CPR instructor at a local community college. If shes not in the gym or her classroom, you can find her on the wall. in a tree or on a roof taking in the view.

Assistant Manager
Jared Heirman


Chief Route Setter
Zach Larson aka ZEL

Zach started climbing when he was 5 years old and as a youth climber was on the US National team twice. He began route setting in Everett, MA in 2014 with his brother Josh Larson, who is Head Coach for the USA Climbing team, and the legend himself Dave Wetmore.

As a setter, Zach has created routes for the highest level rope competitions, as he set for the 2019 Rope and Speed Youth Nationals. Zach has also set for our bouldering competition Dark Horse, for the past 6 seasons and has many other competition level sets under his belt.

Besides climbing, he enjoys hiking with his dog Titan and fishing for lunkers (aka large bass). Follow him on Instagram: @Larsony95 


Programs Coordinator & Head Coach
Steph Chaddock

Steph grew up in Massachusetts, but spends enough time at crags to the north that she calls New Hampshire home. She went climbing for the first time when she was 12 years old at her local gym in Nashua, NH. Ten years later, she began working as a youth coach and there discovered a passion. Steph regularly boulders and sports climbs, and has recently started trad climbing.

She does most of her climbing outdoors at popular New England spots like Pawtuckaway and Rumney, but has also taken trips to Red Rock Canyon in Las Vegas and the Red River Gorge in Kentucky. Those who know her well know that she’s up for climbing rain or shine and is always up to support others in their goals.

In addition to her passion for climbing, Steph loves photography and can be found at the crag photographing her friends and strangers hard at work.