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About Hybrid Theory Athletics

Starting in a small garage in Sneads Ferry, NC in September 2013 we have always been dedicated to achieving, and helping others achieve, higher levels of human performance. From this humble beginning Hybrid Theory Athletics (HTA) was born. HTA is a veteran owned and family oriented business with a hands on approach and years of experience over many disciplines of sport and strength. HTA’s methods were born from a lifetime of athletic endeavors including countless hours in various gyms, courts, cages, and fields. Some of these endeavors were more successful than others, and from these experiences, strong opinions and passions were formed into a blend stretching across several disciplines that we are proud to share with our athletes today!

Through years of hard work and an incredibly supportive community, Hybrid Theory Athletics has grown into the premiere training force that it is today. Boasting over 7500 sq/ft. At Missing Link CrossFit we are also thrilled to offer our coaching to the Swansboro/ Carteret/ and Emerald Isle Communities at CrossFit Emerald Isle! We are constantly striving to grow and offer our athletes the best facilities, equipment, and coaching possible. We are always happy to take suggestions and improve our offerings to our community. If you have a suggestion or comment, please dont hesitate to reach out!


Since 2013 we are serving the community.


Situated at Swansboro, NC and Jacksonsville, NC


We offer 24/7 access to all of our facilities #hybridaf

our  team

To Be The Best – Train With The Best


Trainer / Partner

Casey is a founding partner of Hybrid Theory Athletics. Starting Missing Link CrossFit out of his garage in Sneads Ferry, NC., Casey was spark that ignited the community that we have today. An excellent people person with a captivating personality and enthusiasm for training, he is currently the operations manager for all of Hybrid Theory Athletics. He is an ISSA personal trainer as well as certified TRX trainer with an associate degree heavily backed in exercise science and physiology.



Mere joins Hybrid Theory Athletics team as a distinguished athlete and coach. A background in gymnastics and cheer has shaped her unique approach to training and teaching. As an athlete she has made her mark both on powerlifting and bikkini stages securing multiple first and second place finishes. She has nestled her way into our community as a respected coach and friend, finding her place among the staff as a personal trainer and the head coach and program designer for our Hybrid Theory Kids program.



Stephen has been enlisted in the Military since May 2014 and has working as a Medical Laboratory Technician since then, serving at Walter Reed Nations Military Medical Center Bethesda till July 2020. During his time there, he earned his Crossfit Level 1 Coaching certificate and Precision Nutrition Masters Coaching Certificate Level 2. He has helped over 50 clients progress in all aspects of health, fitness, nutrition, spiritual, family, social, and mental.

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In August 2021, he has earned his Crossfit Level 2 Coaching certificate. Stephen enjoys helping others see their potential and grow everyday they walk through the doors of the gym. Watching others succeed and being present for their hard work, day in and day out progress is what inspires him to continuously coach. He spends his off time attending college, working towards earning his Masters Degree in Business in hopes to apply for a Naval Officer position.


“Missing Link prioritized their members and our individual goals, never asking too much, but still always encouraging us to break out of our comfort zones. The coaches are extremely approachable. Among the coaches there is a vast knowledge base which allows Missing Link to offer more specialized training each and every time you go to a class. The support and guidance they provide constantly helps me to advance as an athletes as well as improve my sense in self.”

Mk Galbraith
No Cookie Cutter Gym

“This review is after training at Missing Link CrossFit 6 days a week for 30 days. The coaches and other athletes are great and very welcoming. I was only in town for a month and signed up to see what they were all about. The coaches at Missing Link gave me 100% from my first day until my last. I would recommend it to anyone living in or visiting the Jacksonville, NC area. I will definitely renew my membership and workout here when I return to this area.”

Nate Dickenson
A Competitively Priced and Professional Service

“I’ve been there. I’ve known that fear. I’ve known the anxiety of walking into a gym and feeling lost, like I didn’t belong and like every person had a right to be there EXCEPT for me. If sharing my picture somehow encourages or inspires you, then it was worth it. And if you just so happen to step foot into Missing Link (God knows I hope you do), I promise that you’re gonna have an entire community of athletes and coaches behind you every step of the way.”

Rachel Lynn
Community and Coaches that Back You!

“Dropped into Missing Link CrossFit today. Great family environment and great CrossFit atmosphere in general! I knew I was in for a great WOD when i discovered the foam rollers were PVC pipes wrapped in tape :). Both Casey and Allen were on hand to provide great tips and encouragement. Will definitely feel this tomorrow and will definitely be back for more before we leave for home.”

Dan Adams
Great Family Environment

“I have dropped into CrossFit gyms over 8 states and 4 different countries and each one of them with similar culture dedicated to improvement and decimation of doubts and fears. To this day, I have never been in a more accepting, encouraging, and genuinely kind place. It’s the only sport in which people cheer the loudest for the last to finish. Every day I ask myself, “ Am I better than I was yesterday”? I am thankful to each and every person at Missing Link CrossFit for the extraordinary gift of helping guide me back to believing in myself!”

Joy Jamison
Missing Link Gave Me My Life Back

“I have tried to train, I have been turned away, I have never found a coach that knew what to do with me or that could see the potential that I had until I found Hybrid Theory Athletics/ Missing Link CrossFit. The coaches at Hybrid Theory Athletics were my “Missing Link”. Each day that I came back the coaches were totally excited to work with me and help me get back to the best me possible! Since then I have been able to accomplish things, I never thought possible. I am sad to leave but am thankful to coaches at Missing Link for helping me rediscover myself. ”

Mike Frazier
I Never Thought I'd Train Again