Passionate Coaches


When you commit to the challenge, these coaches will help you meet and exceed it. Our trainers are passionate, hands-on experts who want nothing more than to see you become the version of yourself you’ve always dreamed of being. With a powerful mix of passion, compassion, and expertise, they’ll get you where you want to go.

  • Drew McMillin

    Co-Owner and Head Coach

    Drew McMillin has been CrossFitting for an impressive nine years, and he used to train elite-level college athletes at Marquette, DePaul, UNO and UIC. “Then I realized that I enjoyed training your average Jane & Joe so much more, so I started CrossFit Commitment,” he says. “Helping an athlete jump higher is one thing, but that pales in comparison to the fulfillment I get from improving the lives of our members.”

    Drew is passionate about helping people become better versions of themselves. “I love the reaction on their faces when they achieve their goal that they were working so hard for,” he says. His favorite quote is “Do you do cardio? Yes, I squat sets of 10 sometimes.” – Dmitry Klokov


    • CrossFit Level 1
    • CrossFit Mobility
    • CPR/AED
    • B.S. in Exercise Science
    • M.S. in Exercise Science
    • CSCS
    • USAW Performance Coach
  • Franco Mercado

    Co-Owner and Head Coach

    Franco Mercado says the thing he loves most about coaching his members is “No matter how stressful, bad, or terrible a day anyone is having, we are the best part of their day. No one ever leaves without learning something new, accomplishing something new, or a smile on their face.”

    Franco was “on the heavy side” growing up and only got in shape after he joined the Marine Corps. “I learned as much as I could so I could perform well on the battlefield, and people started asking for advice from all the research I did,” he says. “I thought ‘I can do this as a career!’”

    Prior to becoming a coach, Franco was a tactical athlete. “Getting fit was more than me looking good, it was about my survival,” he says. “I did 3 combat tours in 4 years and survived many situations thanks to me running as fast as I could and lifting heavy things.” He can honestly say that he lives by Muhammad Ali’s famous mantra “Impossible is Nothing”.


    • CrossFit Level 1
    • Precision Nutrition Level 1
    • CPR/ AED
    • B.S. In Kinesiology and Exercise Science
  • Fabio Castellon

    Coaching Intern

    Fabio Castellon has been CrossFitting for three years and finally decided to make the leap into coaching. “I ended up as a coaching intern because I have a passion for being fit and helping others,” he says. “I’m passionate about helping people to reach their goals and make them realize that they are able to do things they never thought they could.”

    The thing he loves most about coaching is helping members leave with smiles on their faces. “I love giving members all my support because I believe in them, and I’m sure together we can accomplish anything,” he says. Fabio’s favorite quote is “Tell me I can’t do it and I’ll do it.”


    • CrossFit Level 1
    • CPR/AED


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