Terry Toller

Owner of CrossFit Mettle, CF-L1


Terry is the owner of CrossFit Mettle and also own the nearby auto shop, Cambridge Auto! He is incredibly passionate about CrossFit Mettle and aims to provide Mettleheads with an amazing facility, top-notch coaching, and a variety of classes and offerings. 

Brittni Jones

Owner, CF-L1, Adaptive & Inclusive Trainer, ATA Certified

Feeling like you need an energy boost? Time for you to go chat with Brittni! Brittni is part-owner, part-wizard! She does a lot behind the scenes to make sure Mettle runs smoothly, has a poppin' social media, and is constantly brainstorming new ways to make Mettle better.


Paul Arguijo

Owner and Head Coach, CF-L1


Paul is truly the dad of CrossFit Mettle! As part-owner and Head Coach, Paul essentially lives at the gym. If you come in, he will likely be the first to greet you with a big smile on his face! He is dedicated to creating a welcoming environment at Mettle and helping every athlete achieve their goals.

Matt Arthur

Coach, CF-L1

Bio coming soon!


Felix Silvera

Coach, CF-L2


Bio coming soon!

Chas Noble

Coach, CF-L1, CF-Gymnastics

Chas is our evening coach! She brings an incredible amount of knowledge to CrossFit Mettle. Chas is incredibly passionate about coaching athletes to be the best they can be - and makes sure they are safely executing standards every step of the way. 


Aaron Esparza

Jared McCoy

Coach, CF-L1


Coach, CF-L1

Bio coming soon!


Amber Castillo

Coach, CF-L1


Bio coming soon!

Miguel Lora

Coach, CF-L1

Bio coming soon!


Kat Shaw

Coach, CF-L1


Kat is another new mom at Mettle! She loves helping other new moms navigate postpartum fitness. She also typically coaches the AM crew!

Trent LaFleur

Coach, CF-L1

Bio coming soon!


John Arguijo

Coach, CF-L1, Adaptive & Inclusive Trainer, ATA Certified


Homer Uribe

Coach, CF-L1

Homer is one of Mettle's longtime coaches. You can usually find him with the 5am and 6am crew cracking a few jokes during the warm up! In addition to being a CrossFit coach, Homer also coaches middle school boys in football, track and field and is a teacher!