Our Coaching Staff
Our coaches are all highly trained and certified professionals with a life-long dedication to wellness, health, fitness and livin’ BIG. Experienced at managing groups, as well as working with individuals in a one-on-one setting, our staff will teach, motivate and inspire you to get (and stay) in shape.
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Justin Marcis
Founder & Owner
Founder of Windy City Strength & Conditioning, Justin's goal is to inspire and lead individuals to long-term health, fitness and happiness. More
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Esther Kim
Operations Manager
The community of people of all ages and fitness levels is truly what inspires Esther. More
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Stephanie Perez
Membership Manager
Loves the sport of CrossFit and aims to serve athletes interested in the sport too. More
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Jim Roth
aka "Jim Live"
Jim loves people and people love Jim. He keeps the Windy City community thriving. More
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Kelly Benfey
Coach
Kelly’s favorite part of her job is assisting people back into full activity and exceeding their performance prior to injury. More
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Mark Krueger
Coach
Mark firmly believes EVERYBODY has and deserves the right to lead a healthy and active lifestyle! More
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Bradley Hillhouse
Coach
Bradley firmly believes in harnessing the greater whole of community through the shared struggle and gain of fitness. More
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Adam Jones
Coach
Enjoys helping athletes improve and push themselves beyond their comfort zones. More
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Are you an experienced trainer?
Join Our Team