About Us
MEET OUR
Fully Qualified Instructors
Owner Clayton Arnold has been in the Fitness Industry since 2005. His experience and expertise in this industry has provided Execution Athletics Member with a clear direction of training and methodology. In short we prescribe to the Constantly Varied. High Intensity. Functional Movements. We believe that your workout should never be to specific that you are neglecting other aspects of your body or health.

Briana Arnold
Co-Owner
ABOUT BRIANA
Briana is the co-owner of Execution Athletics with her husband, Clayton. Briana is an attorney by day with a passion for CrossFit.
Certifications:
L1
CrossFit Kids
CrossFit Gymnastics

Sam Bogage
Coach
ABOUT SAM
Certifications:
CrossFit Level 2
USA Weightlifting Level 1
NSCA CSCS
Precision Nutrition Level 1 (In-process)
Sam has been in the strength and conditioning field for over 11 years and has worked as a CrossFit and Olympic weightlifting coach since 2013. He currently is the strength and conditioning coach for Gerstell Academy a private k-12 school in Finksburg, MD. Sam Graduated Salisbury University with a Bachelor’s degree in exercise science and Carroll Community College with an Associate’s degree in the Physical Therapist Assistant Program. Sam is passionate about health and fitness and loves helping others reach their full potential and accomplish their goals!

Marni Cestone
Coach
ABOUT MARNI
Marni has been with Execution Athletics since 2014 after signing up for a 1 month trial that turned into a 6 year passion for all things CrossFit! She is a Doctor of Physical Therapy at the University of Maryland Rehabilitation and Orthopedic Institute and is a Board Certified Orthopedic Clinical Specialist. Marni is a Level 1 CrossFit Trainer and Basic Olympic Lifting Coach. Marni has competed at Wodapalooza, Granite Games, and Legends Master’s Competitions (12/20) as a Masters athlete and ranked 33 in the world in her age group in the 2019 and 2020 CrossFit open.

Christina Cole
Coach
ABOUT CHRISTINA
Certifications:
CrossFit Level 1
CrossFit Kids
Gymnastics Certification
Kettlebell Certification
Aerobic Capacity Certification

Brian Cole
Coach
ABOUT BRIAN
CrossFit Level 1
CrossFit Kids
Gymnastics Certification
Kettlebell Certification
Aerobic Capacity Certification

Amy Dean
Coach
ABOUT AMY
I have my L1 CrossFit certification along with a kettle bell certification. CrossFit and nutrition are true passions for me and I love helping people with both of those things!
My favorite movement in CrossFit is handstand push-ups and my least favorite is double unders!!!

Dominic Evans
Coach
ABOUT DOMINIC

Kathleen Kohr
Coach