coaches at crossfit atr
our coaches
THE TEAM BEHIND YOUR TRAINING
Our coaches are the heart of CrossFit ATR. Each one is certified, experienced, and genuinely invested in helping you move better, get stronger, and reach your goals. Get to know the team that will be in your corner every step of the way.
the team
World-Class Humans & First-Class Coaches
Coached, not just supervised — the people who'll know your name and scale your first pull-up.

Adam Gefland
Owner

Arturo Fiero
Head Coach

Alex Diaz
Coach

Steph Jarosz
Coach

Katelyn Anderson
Coach

Kim McGrath
Nutrition

Sean Ryan
Coach

Christian Lumicao
Coach
Adam Gefland
Owner
Coaching since 2020
Level 2 CrossFit
HYROX Foundations
Arturo Fiero
Head Coach
Coaching Since 2009
Level 2 CrossFit
L1 USAW
HYROX Foundations
CF Weightlifting & Gymnastics
Alex Diaz
Coach
Coaching Since 2017
Level 2 CrossFit
CF Weightlifting
ACE Personal Training
Steph Jarosz
Coach
Coaching Since 2018
Level 2 CrossFit
CF Kids
Katelyn Anderson
Coach
Coaching Since 2023
Level 1 CrossFit
Youth sports coach
Kim McGrath
Nutrition
Nutrition
Coaching since 2019
PhD Chemistry (USC)
CISSN (International Society of Sports Nutrition
Sean Ryan
Coach
Coaching Since 2010
Level 1 CrossFit
Registered Yoga Teacher
Christian Lumicao
Coach
HYROX Foundations
You Don't Need to Be Fit to Start. You Just Need to Start.
Nervous? Everyone is on day one. Your first session is just a conversation — meet a coach, see the gym, and find out if we're your fit. No pressure, no commitment.

