THE REPUBLIC TEAM

Driven by Experience.

Meet our League City, TX chiropractic & performance rehab team

EXPERT CHIROPRACTIC CARE, TRUSTED BY ATHLETES AND ACTIVE INDIVIDUALS AT EVERY LEVEL.

Trusted by the pros.

Dedicated to you.

At Republic, we bring the elite experience to everyday care. Our internationally-recognized team combines advanced clinical knowledge and world-class expertise with a genuine passion for helping our patients move better, recover faster, and stay strong for the long haul.

MEET OUR FOUNDER

Dr. Todd Riddle

DC, CCSP, RKT, CSCS, ICSC, FICC

Dr. Todd Riddle is a specialist in sports chiropractic and physical rehabilitation. After earning his undergraduate degree in Exercise Science with a concentration in Kinesiotherapy from the University of Toledo—while also competing as a two-sport athlete. Now, with two decades of experience in the field of athletic and human performance, Dr. Riddle has coached and trained thousands of athletes, ranging from amateur to professional, including Olympic medalists, and players in the NFL, NBA, NHL, PGA, LPGA and MLB.

In 2018, Dr. Riddle was the official sports chiropractor for the historic Nigerian women’s bobsleigh and skeleton teams at the PyeongChang Winter Olympics, and then toured with Australia Bobsleigh and Skeleton teams on the World Cup circuit in Germany in 2021, and with the sports chiropractic delegation for World Games in July 2022, and as the team chiropractor with USA Gymnastics' Trampoline and Tumbling teams since 2023.

strength and conditioning, doctor of chiropractic candidate

Matthew McKay

M.S.Ed, M.S., CSCS, FAKTR, ABTP, CHPP

Matthew McKay is a Doctor of Chiropractic candidate at Texas Chiropractic College and a native of Fairfield, Alabama. Matthew holds a Bachelor of Science in Exercise Science and Wellness (2013) and a Master of Science in Human Performance (2015), both from Jacksonville State University. He later earned a second Master of Science in Athletic Leadership from Clemson University in 2021.

He began his professional journey in sports performance as a high school strength & conditioning coach during his time as a college student. While serving as a high school strength & conditioning coach, Matthew was also serving as a student athletic trainer at Jacksonville State University. This led to an interning opportunity with professional football, later opening the door for post-graduate experience. These opportunities helped shape his 13-year career in strength and conditioning and academics prior to pursuing chiropractic studies.

His coaching experience spans high school, collegiate, professional, and military levels. The most transformative stops along his journey are at Northern Guilford and Page High Schools in Greensboro, NC; Jacksonville State University; Clemson University; the University of North Carolina at Greensboro; and El Paso Community College. He most recently held the role of Associate Director of Sports Performance for a professional arena football team in Atlanta.

In addition to sport performance, he worked as a military contractor for strength and conditioning with the U.S. Army’s 1-501 Combat Aviation Brigade at Fort Bliss in El Paso, Texas. Matthew has also taught college-level courses in kinesiology, exercise physiology, strength and conditioning, and general health.

Passionate about mentorship, Matthew is dedicated to equipping coaches and practitioners with tools to build resilient, adaptable athletes. His approach emphasizes durability over dominance, prioritizing smart, individualized development to sustain performance throughout an athlete’s career.

stretch therapy, doctor of chiropractic candidate

Reagan Griffin

M.S.

Raegan Griffin, is a certified assisted stretch therapist and Doctor of Chiropractic candidate, at Texas Chiropractic College. She is also pursuing a Master’s in Sports Science and Rehabilitation at Logan University, aiming to complete the coveted Certified Chiropractic Sports Practitioner (CCSP) credential. Once completed, this advanced clinical training and dual-degree will place her amongst the leading sports-focused healthcare providers in the United States.

Raegan earned her Bachelor’s degree in Kinesiology with a minor in Dance from Louisiana State University, providing a strong foundation in biomechanics, human performance, and movement efficiency. She holds specialized certifications in Assisted Stretching, FAKTR, and TheraPro Level 1, enabling her to integrate advanced soft tissue therapy, corrective exercise, and performance-based rehabilitation into her sessions.

Known for her high-energy, results-driven approach, Raegan enjoys working with athletes and active individuals to improve mobility, accelerate recovery, reduce pain, and optimize performance. Through her training, she delivers personalized, performance-focused care that bridges rehabilitation and elite movement training, helping clients recover and perform at their best.

Raegan’s long-term vision is to practice as an elite sports chiropractic provider, utilizing her chiropractic training, soft tissue therapy, and strength-based rehabilitation to provide comprehensive, evidence-informed treatment. Her commitment will always be to consistently deliver high-level care that empowers clients to move better, recover faster, and perform with confidence.