Teresa Hamiel Fitness Journey


Name: Teresa Hamiel                  Age: 44

Family: Husband and 2 daughters
Occupation: Physician Assistant at North Memorial
Time with Fierce Play: 1 year 10 months




















Results: 70lbs lost(closer to 80), Reduced Stress, Confidence, Better Physique, Feels Better about life, comfortable in Her own Skin!

Her Storie:

My name is Teresa Hamiel. I am 44 years old. My husband and I both joined Fierce Play approximately about two years ago. I’m a physician assistant, family medicine at North Memorial Hospital. Basically, our lives revolve around our work, our family and now our gym.

I’ve been a member for, it’ll be two years in January. I’ll go home to my hometown and people are like, “Whoa, what happened?” You know? I’ve lost over 70 pounds since coming here. Actually, probably closer to 80. I’m putting on clothes that I haven’t even dreamt of wearing in a very long time, so it’s fun.

Before Fierce Play … before we joined Fierce Play, our fitness was different in the fact that I personally had never and I don’t believe Chris had either, had done a classroom type setting and I didn’t … we didn’t realize how motivational it can be. It was a lot of snap fitness, go to the gym on your own. You had to either self-motivate or it was the treadmill or out running or walking and so we did not have the diversity, I would say, of different exercises.

I had no idea that there was so much to weights. I primarily would connect that with bodybuilders, weightlifting, I had no idea that this can be for all strengths, all sizes, all people and how much it can truly make you fit. I think that a lot of times people don’t realize, especially in our gym, you can scale to your ability, which my ability was very beginning. I couldn’t even do a box jump. I had to start with a very low weight jumping. I was super self-conscious, but the coaches where really patient and my confidence grew over time, as well as did my skills.

Chris and I both, our physique has completely changed, as well as our whole demeanor, our confidence level, just how we feel about life on a daily basis. It’s more than just exercise.

I felt like I was an athlete in high school, but that completely got lost along the way when I got married, had kids, started a career and I feel like I’m finding that now again, which is an amazing feeling. I am so much happier. Just straight up. Chris and I both are.

It reduces my stress level. Even if I have the worst day ever, I come in here because we constantly are having fun, goofing around, laughing while we’re working out, so it just alleviates my stress, immediately as soon as I get here. Consistently, on a daily basis, I just feel better. I feel … you aren’t out of breath when running up the stairs and you feel good when you wake up in the morning and you know, boy I really worked out really hard yesterday and I’m going to go back and do it again today.


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CrossFit Level 1 Certification



Mark Mancuso started his fitness journey while enlisted in the United States Marine Corps. Like most individuals, at first, he only focused on bodybuilding type workouts. Mark learned quickly that focusing just on the aesthetics of the body would get you only so far. In 2013, Mark found out about Crossfit and fell in love with everything that it stood for.

In June of 2015, Mark was Honorably Discharged from the Marine Corps and returned from his duty station in Okinawa, Japan to his home in Maple Grove, MN. Not having any formal coaching in Crossfit he was on a mission to find a Crossfit Box to call home. Fierce Play welcomed him with open arms, and he hasn’t looked back. Mark obtained his Level One Crossfit certification in November 2015 and plans to add additional certifications in the future. He also intends to compete in a variety of Crossfit competitions as opportunities arise.


CrossFit Level 1 Certification


Owner & Head Coach

Jeff Birthler has a contagious passion for fitness. He graduated and obtained a personal training certificate from the National Personal Training Institute in 2010. On his way, he discovered and fell in love with CrossFit. Jeff hasn’t stopped learning, and still seeks a well-rounded education within the health domain, going beyond physical facets. He has trained clients at several corporate gyms, including Fitness 19 and LA Fitness, as he established a plan for his own gym.

Fierce Play was established in 2012 in a 500 sq. ft. garage. After a few moves and upgrades, it now has a permanent, 4800 sq. ft. location in Maple Grove. Jeff calls it “home”.


NPTI (National Personal Training Institute) CPT Diploma January 5, 2012

CrossFit Level 1 Certificate

CrossFit Level 2 Certificate

CrossFit Olympic Lifting Certificate

CrossFit Power Lifting Certificate

CrossFit Mobility Certificate

CrossFit Gymnastics Certificate

USA Weightlifting Sports Performance Certification



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