3 Star CrossFit opened our doors in July 2017 and although we might be a little biased, we genuinely believe we’ve put together the greatest coaching staff in Middle TN. We can’t wait to meet you where you are along your journey in the sport of functional fitness that we’ve grown to love.

Steve Gillis, Owner
U.S. Navy Veteran / Certified CrossFit Trainer (CF-L3) / CrossFit Adaptive and Inclusive Trainer / CrossFit Scaling Course certificate / CrossFit Advanced Judges Course / Coaching the Aging Athlete Certified / CPR & AED certified
Stevie G. (aka: “Old Man”) has a teacher’s heart. He has been teaching “something” since the age of 16 and trust us, that was a long time ago! His love for CrossFit is contagious so be forewarned– if you spend much time around Stevie G. you just might become addicted to this CrossFit stuff too! He’s also the proud dad of two of our incredible coaches– Kaley & Emily.
Email Steve: steve@3starcrossfit.com

Dustin Roberson, Owner
CF-L2 Trainer / CrossFit Mobility certified / CrossFit Judges Course / CPR & AED certified
Dustin brings his incredible knowledge of movement patterns to the team. Dustin helps our members move efficiently while maintaining proper form and technique. It’s one thing to be able to instruct proper technique, but it’s quite another to actually demonstrate it, and Dustin does this wonderfully!
Email Dustin: dustin@3starcrossfit.com
Mary terrell

@coachmarytee
CF-L2 Trainer / Burgener Strength certified / The Gymnastics Course certified / CPR & AED certified
One of Mary’s favorite motivations as a coach is helping members break past the voice that says “I can’t” to help them discover anything is possible. She brings that passion to every class! Mary has a B.S. in Nutrition Science and began her professional career as a certified Personal Trainer and Speed & Conditioning Specialist, where she gained experience helping people of all ages, fitness levels, and abilities meet their health and fitness goals. She discovered CrossFit in 2017 after becoming a mom and needing a more family-friendly environment than conventional gyms offer. She quickly fell in love with the challenge and community CrossFit provides, and within a few months knew she wanted to coach because of the impact CrossFit had on herself – creating a shift in mentality from how her body looks to what it’s capable of. As an athlete, Mary enjoys competing (especially as a team) for the additional challenge of training for them. As a coach, she understands every one’s fitness journey is different and enjoys working with athletes of all levels – from the first-timer enthusiastic to begin to the seasoned athlete looking to fine-tune their performance.
IAN RANDOLPH

Certified CrossFit Trainer (CF-L3) / USAW Sports Performance Coach / Aerobic Capacity certified / CrossFit Judges course / Licensed Massage Therapist (LMT)
Ian started CrossFit back in 2015 and began coaching in 2016. He has a Masters in Healthcare Administration, Bachelor’s degree in Health Science, and Associate degree in Kinesiology. Ian played college basketball from 2011-2015 at Parkland College then Bellevue University, where he then went on to work as the Strength and Conditioning Coach at Bellevue from 2016-2020. Beyond coaching, Ian’s hobbies include CrossFit training, weightlifting, fishing, camping and hiking.
Emily Stirling

@estirling_
Certified CrossFit Trainer (CF-L3) / CrossFit Weightlifting certified / Burgener Strength seminar coach / Power Monkey Fitness Camp staff / 3-Time USAW National Qualifier / TN state record holder for snatch, clean & jerk, and total / CrossFit Advanced Judges Course / USA Gymnastics Coach / CPR & AED certified
Life looks better upside down if you ask Emily (aka E)! E began gymnastics at the age of 5 and hasn’t left the sport since. She competed at the University of Wisconsin-Whitewater and once her competitive gymnastics career ended, she started CrossFit and was instantly hooked! Emily manages/coaches gymnastics full-time at Intrigue Gymnastics and is the shorter half of the “Gillis Girls.” She’s a 3-time USAW 45kg National Qualifier and loves using her platform (pun intended!) to inspire others. Emily is also on the FAITH RXD Nashville Leadership Team and hosts gymnastics/weightlifting seminars at gyms where she has the opportunity to share her knowledge with athletes and coaches alike. Please contact her to schedule a seminar at your gym! When she’s not in the gym, Emily enjoys exploring the world on adventures with her husband Cullum, daughter Sydney, and son Cade.
Email Emily: emily@3starcrossfit.com
Kaley Gillis

@kaley_rocks
CF-L2 Trainer / CrossFit Weightlifting certified / Burgener Strength seminar coach / CPR & AED certified
Kaley was introduced to CrossFit back in 2009 and has been a regular CrossFit gym-goer since 2012. Kaley is a true believer that “if she can do it, anybody can do it!” She has a passion for sharing the many ways CrossFit has benefited her overall well-being and helped her do things she never thought was possible (like waking up to work out at 5AM). Kaley maintains high standards for form and technique, and it is her goal to help members prioritize moving correctly and moving well before advancing to more difficult movements or weights. Kaley is the taller half of the “Gillis Girls.” While she considers weightlifting her strong suit, Kaley is also part of our gymnastics clinic staff. She’s on the FAITH RXD Nashville Leadership Team as well.
CARA FREDERICK

@carafred
CF-L2 Trainer / CrossFit Masters Course certified / CPR & AED certified
Cara’s passion for CrossFit began from watching her own mother start CrossFit and seeing how much it improved her quality of life at an age when traditionally a decline in activity and health could seem somewhat acceptable. Cara has completed the CrossFit Masters training course and now specializes in working with the “legends” of our generation (age 50 and up) helping them to gain/maintain strength, develop a healthier and more active lifestyle, and retain independence as we age. To learn more about our Legends Class, click here! Cara’s favorite aspect of CrossFit’s functional movements is their ability to transcend into our everyday life. She is a mother of two, a hobby farmer, a novice gardener, and nature lover. She enjoys backyard games of baseball with her family, hiking, fishing, and cooking.
Mike Edwards

@mfedwards89
CF-L2 Trainer / CPR & AED certified
Mike is the tall/bald guy around the gym! He found himself in a CrossFit box for the first time in 2012 while in school at Tennessee Tech University. The way it made him feel made the sport an instant passion for him. The challenges and plethora of new things to learn were coming on daily basis. Successes in the gym were coming more frequently and from all aspects of fitness, and he quickly realized every WOD is an opportunity to achieve a goal. CrossFit was way better for Mike than lifting for 2 months to only see his bench max go up 5 lbs. He soon realized he wants everyone to feel the way that CrossFit makes him feel so he began coaching! Mike loves getting people started and staying on the right path toward meeting their fitness goals.
Mark Anderson

@just_mark_anderson
U.S. Army Veteran / CF-L2 Trainer / USA Weightlifting Advanced Sport Performance Coach / CPR & AED certified
Mark has been doing CrossFit since April 2015. He was immediately hooked, not only because the sport challenged him every day, but also because of the positive atmosphere that surrounded him. In April 2017, Mark made the decision to train exclusively with weightlifting and began competing. He is currently the USAW Tennessee State record holder for the Snatch and Clean & Jerk in his weight class and age division. Mark has successfully completed the USAW Level 1 Sport Performance coaches’ course, USAW Advanced Sport Performance course, and CrossFit Level 2 Trainer course. He’s always excited to coach CrossFit and weightlifting, but most importantly, he’s excited to help others achieve goals they never thought were possible. For the record, if you ever see Stevie G. beat Mark in a WOD, it’s because Mark let him!
Scott WALTERS

CF-L1 Trainer / CrossFit Judges Course / CPR Certified
Scott became a member at 3 Star CrossFit back in 2021 and began coaching in 2023. Besides playing high school and intramural sports, he never got into any specific strength and conditioning training until adulthood in 2018 when he discovered CrossFit. For him, joining a CrossFit gym provided community, accountability, and proper guidance when it comes to fitness. He has a Ph.D. in Leadership and is a local high school principal. He has a wife, 4 children, and is a full-time educator, so you’ll likely find Scott at the very early morning classes! His passion for teaching and learning has spilled over into his fitness journey, which led him to become “Coach Scott.”
CHASE BRUCE

@c_bruce11
Doctor of Physical Therapy, Certified Strength and Conditioning Specialist (CSCS), CF-L2 Trainer, BLS (CPR/AED)
Chase began his journey with 3 Star CrossFit in 2017, marking the start of an exciting venture. Initially joining as an athlete, he later transitioned into a coaching role, where he discovered his deep passion for health and wellness. Motivated by this passion, Chase pursued advanced education and earned his Doctorate of Physical Therapy in 2024. As a CF-L2, certified strength and conditioning specialist, and a Doctor of Physical Therapy, Chase brings a unique blend of expertise in injury prevention, rehabilitation, and sport/performance enhancement. He particularly enjoys working with CrossFit athletes, helping them achieve their fitness and performance goals.
MARK CRAWFORD

CF-L2 Trainer / CrossFit Judges Course / Firefighter / CPR & AED certified
Mark retired from the Memphis Fire Department and currently works part-time for the Lebanon Fire Department. As a self-proclaimed “old fireman,” Mark knows that we must always be ready for the unexpected. CrossFit is the best approach for physical preparedness for first responders and military. Because he was reluctant to walk through the CrossFit door for the first time, Mark knows how it feels. Whether you’re a soccer mom or top athlete, Mark is committed to training you to be a better you. Let’s get started today – your class reunion will be here soon!
“HURRICANE MIKE” MICHAEL MOORE

CF-L1 Trainer
Michael attended his first CrossFit class in 2019 at 3 Star and began coaching in 2024. Coach Micahel brings high energy to his classes and expects you to match that with effort and intensity. He prides himself on making sure when you join his class that you have fun, get better, and push yourself to achieve more than you thought possible. You are most likely to catch Coach Michael at 3 Star in the evenings, either coaching or attending class!
MARIAH WALSH

CF-L1 Trainer
Mariah first fell in love with CrossFit back in 2012 during her high school’s advanced PE class—and she’s been hooked ever since! While studying Exercise Science in college, she earned her NASM certification and worked as a personal trainer and group fitness instructor at Orangetheory Fitness. She also loved competing in both powerlifting and Olympic weightlifting during that time.
When Mariah moved to Mt. Juliet in 2022, she joined 3 Star CrossFit to meet people and get involved in the community. She immediately felt at home thanks to the friendly faces and welcoming atmosphere. After having her baby in 2024, Mariah decided to take her passion to the next level by getting her CrossFit Level 1 certification and stepping into a coaching role. She’s excited to help others find the same confidence, strength, and joy that she’s found through CrossFit!
