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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    Garbriel Velasco

    Coach

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