Hollie joined TrYumph by way of marriage to owner Matt O'Brien, but has become an essential leader and life coach for our clients. Hollie has been a professional makeup artist for over 17 years working with celebrities like Dr Oz, Alyssa Milano, and Suze Orman and now she is using her skills as our Style Coach and is our client Director of Encouragement. 

Coach Hollie is passionate about our KidFit program and helps coordinate all that goes into it. She is also our "culinary director" and produces cooking videos and demos for quick, easy, and healthy meals that even the kids will love.

FUN FACT:

Hollie IG @UnspervisedMoms has over 105,000 followers! And she does LIVE and recorded training videos on makeup, hair, and style tips and tricks in our free TrYumph Nation Facebook group. 

Certifications/Credentials

• 19+ years Professional Makeup Artist
• Cosmetologist License (Florida)
• PhD in Loving People
• Supermom of 2 Boys and Superwife to Coach Matt

Stephen joined Team TrYumph in 2019 after completing a 4 month internship and graduating from USF. He has an extensive competitive background in sports and played soccer at the collegiate level. 

Stephen is our Head Coach and Facility Manager. He loves being a TrYumph small group coach and personal trainer. Stephen lives in Largo with his wife Kellie and is the proud father of two young children who keep him busy. 



FUN FACT:

"Working one-on-one with clients allows me to help them achieve their goals while working through any limitations they may have." 

Certifications/Credentials

• BS Exercise Science University of South Florida
• Certified Strength and Conditioning Specialist (CSCS) - NSCA
• Completed TrYumph Internship and Certification
• Qualified TRX Coach (TRXTRAINING)
• Certified Back Pain Relief Specialist

Coach Payton Hill joined Team TrYumph in the summer of 2018 completing our rigorous TrYumph internship and certification program. While she was working her way back onto the court after both her knee surgeries, Payton was a client at TrYumph and this lit a fire in her to pursue a career in personal training. 

Payton completed her personal training certification requirements with the National Academy of Sports Medicine and loves getting to coach our small group training classes. She also loves working with people one-on-one as a personal trainer. 

Certifications/Credentials

• NASM Certified Personal Trainer (CPT)
• Completed TrYumph Internship and Certification
• Completing her Bachelors degree in Health Science at University of South Florida

Gabby started at TrYumph in 2022 and serves many roles; coach, client connections, event planning, and membership support. She loves helping people discover their true potential both in their workouts and in life.

Gabby is a Marine veteran and was the Honor Graduate and Top Shooter for her platoon at the USMC Recruit Training depot in Parris Island, SC. She is also the mother of two amazing kids.

Certifications/Credentials

• CF-L1 Certification 
• USMC Honor Graduate
  

KRISTINA ROMYNS

Kristina, or Coach K as we like to call her, started at TrYumph in 2021. She has a passion for teaching our clients proper form and how to maximize their strength.

Kristina coaches our adult small group "TrYFit" classes, does one-on-one personal training, and also provides client recovery sessions to restore function and mobility.

FUN FACT: "I love to bake cookies and sweets."

Certifications/Credentials

•  ACE Certified Personal Trainer
• Flexologist (Stretch Therapist)

JOHNNIE ROMYNS

Johnnie started Personal Training in 2011 which lead to his interest in competing for the NPC, in the Men’s Physique division. He has a love for boxing. He competed at the amateur level for several years then became a USA certified boxing coach. The opportunity to help people is what keeps him going from day to day. 

FUN FACT: Johnnie is an awesome chef and loves creating flavorful ways of eating every day foods.

Certifications/Credentials

• 6x Nationally Qualified NPC Physique Competitor
• 10+ Years as a Personal Trainer
• USA Boxing Coach

LAURA CASTAING

When you need a good laugh or want to put a smile on your face, you talk to Laura. Laura joined the Team TrYumph staff in 2025 and loves connecting with our members and helping them be successful (and feel good about themselves).

Coach Laura coaches our small group TrYFit sessions, does one-on-one personal training, and also helps our members with Life and Health coaching.

FUN FACT:

"I sell crafts at markets, love to sing (not necessarily well), and if there is music, I'm dancing."

Certifications/Credentials

• Certified Personal Trainer (ISSA)
• Certified Life Coach (HCA)

TAYLOR HARRIS

Coach Taylor joined Team TrYumph in 2025 initially as our kickboxing instructor. He completed our coaching internship and now coaches our adult TrYFit small group sessions, KidFit classes, and does one-on-one training.

With his unique experience, passion, and personality, Taylor loves working with kids and adults who are neurodivergent (autism, ADHD, dyslexia) and has had amazing results.



FUN FACT:

"I'm passionate about helping people achieve their goals and seeing them become the best version of themselves."

Certifications/Credentials

• Certified Personal Trainer (ISSA)
• Captain's License (USUG)
• EMT (in progress)
  

JONATHAN WIEGNER

Jonathan has studied and mentored under some of the best Strength coaches in the US. He joined our TrYumph personal training staff in 2025 and is our resident expert Strength Coach.

If you are looking to maximize your strength or want to compete in strength, Strongman, or USA Powerlifting competitions, Coach Jonathan will get you prepared.

FUN FACT:

"I marched in both the Rose Bowl Parade and the Macy's Thanksgiving Day Parade in the same year (2007). I treat strength training as passionately as my appreciation and care for good music."

Certifications/Credentials

• NASM-CPT
• Bachelor of Music, University of Oklahoma