About Us

Get To Know Our Coaches

About US

Our Coaches

Brandon Chapin

Head Coach

Brandon is not only the owner of CrossFit Reaction, but the heart and soul of the gym family. A Furman graduate, Brandon’s investment in the Greenville community runs deep, and his lifelong love for sport and fitness combines to make him an undeniably passionate leader. Brandon uses CrossFit as a training tool to help individuals lead their best lives, face and overcome challenges, and relish in personal improvements.

Come see what he has to offer!

Chris Cain

Lead Coach

Chris is always searching for ways to improve, and understands the needs and wants of CrossFIt athletes. As such, he developed Blitz Belts– a weightlifting belt designed specifically for the functional needs of CrossFit workouts.

His passion for the sport and movement extends, and you can always find his enjoyably challenging workouts on Sunday afternoons.

Charles Shields

Lead Coach

Charles was a college athlete at Appalachian State University and has fifteen years experience with a focus on team sport athletes.  This experience translates well to CrossFit athletes due to its application to sport and life.  He did CrossFit on his own in the backyard for three years before understanding how important the community aspect is to overall growth as an athlete and a person.

Outside of the gym Charles enjoys outdoor activities such as hiking, surfing and camping with his wife Emily and two boys.

Amy Fryt

Head Coach

Amy came to Greenville in 2015 and immediately fell in love with CrossFit Reaction. A competitive athlete since the age of 5, she thrives on the sport of CrossFit and the constantly varied challenges. Using her extensive gymnastics background and collegiate pole vaulting experience, she helps members build foundational body awareness, an understanding of movement patterns and ultimately working to promote efficiency in exercise.

Amy’s goal as a coach is to help all members recognize their potential and help them achieve it.

Tanya Stiegler

Lead Coach

Tanya is a spirited coach with a love for fitness that extends beyond the gym. As one of the earliest members of the CrossFit Reaction family, Tanya has helped coached our gym community into true lovers of the sport.

An avid outdoorswoman, her fitness lifestyle goes beyond the barbell and she is always eager for a functional fitness adventure!

Crystal O'Neal

Lead Coach

Crystal started CrossFit with the intent to lose a significant amount of weight and immediately fell in love with the community and for the first time – fitness itself. As a self-proclaimed former couch potato, she recognizes that CrossFit can seem intimidating and strives to make everyone feel comfortable, motivated, and excited to work out.

Crystal knows firsthand that hard work and consistency foster results and she will encourage you to push past your comfort zone and discover the amazing feats your body is capable of.

Todd Ford

Lead Coach

Todd is one of the longest standing members of CrossFit Reaction and has a new appreciation for “functional fitness” as a dad.

As our weightlifting specialist, Todd loves examining the sport in detail and will work with athletes of all abilities– all he asks for is passion and pursuit!

Daniel Sterling

Lead Coach

Daniel began his CrossFit career in August of 2017 and quickly fell in love with the process and with pushing the threshold of strength and fitness. Daniel completed his Level 1 certification in 2018 and Level 2 Certification in 2019, and loves using his experience with and passion for fitness to help others achieve and expand their fitness goals.

Kaittlan Wilday

Lead Coach

Kaittlan holds several certifications in the training and fitness community; CF-L1, CF-L2, USAW L-1, CF Movement and Mobility, CF Gymnastics, ACSM-CPT. She utilizes this extensive background to provide members with a comprehensive experience as she helps them down their own personal journey in health and wellness.

Derek Foltz

Lead Coach

Derek began his CrossFit journey in September 2013 and quickly fell in love with the sport. As a collegiate athlete, he developed an appetite for athletic excellence, and CrossFit further intensified this desire. Through this sport, he discovered one of his ideals: there is always room for improvement, an opportunity to better one’s self. He became passionate about sharing this idea with others and obtained his Level 1 Certification in May 2017. His goal is to assist others with achieving their fitness goals and challenging themselves to accomplish more. 

Drop-In Classes



*We ask that you have previous CrossFit experience.

Our Mission

To Forge An Elite Community

Our goal at CrossFit Reaction is teach people from all walks of life safe and efficient human movement. Coaching is our number one service and we hope to give our clients the greatest return on their time spent in the gym-- all while having fun!

"Completed a drop in from out of town and couldn’t be more pleased with the experience. The coaches were accommodating, approachable and motivating. The members were friendly and inviting. The facility boasts plenty of floor space and ample equipment for training. Overall, a phenomenal box!"

Greg G

Healthy Clients

A healthy community is part of our mission.

"Dropped in while I was visiting from out of town. Everyone was very friendly. Coaches were helpful and very inviting. Definitely would recommend to anyone traveling to Greenville and needing a place to drop in at."

Brittany Ward

Find Us

9 Fergusson Street, Greenville, SC 29601

Call Us

(864) 735-0399