Our Doctors

AST doctors have the following certifications:

  • Master’s Level Active Release Technique providers
  • Certified Biomechanics A.R.T. providers
  • Certified Ironman A.R.T. providers
  • CCSP (Certified Chiropractic Sports Practitioner)
  • HMT Certified
  • Certified Cox Practitioner
  • Certified RockTape Power Taping Instructors


Dr. Jill Thomson DC, MSc., CCSP

A native of Toronto, Canada, Dr. Thomson received her Bachelor of Science in Kinesiology at the University of Waterloo in Ontario, Canada. Upon graduation, she moved to Tennessee and completed her Master of Science in Exercise Physiology. She then moved to California to work at Stanford University in the School of Medicine before attending Palmer College of Chiropractic West. She graduated magna cum laude in December of 2006 and practiced in San Jose, California while completing a post-doctorate degree as a Certified Chiropractic Sports Practitioner. Dr. Thomson moved to Austin in 2009 and specializes in diversified adjusting, Cox Technic, Active Release Technique (ART) and HansOn Muscle Therapy (HMT).

She is a former competitive figure skater, a two sport college varsity athlete, and All Canadian in both figure skating and rugby. She has experience treating highly trained athletes, such as the San Jose Sharks, Canadian National Figure Skaters, University of Texas athletes, and world class Ironman athletes. In addition, Dr. Thomson is currently the ART specialist for University of Texas women’s athletics.

Dr. Thomson’s educational background allows her to take a biomechanical and physiological approach when evaluating each patient. She believes that each patient brings new challenges, and no two cases are treated the same. “Chiropractic care is unique because it gets to the root of the problem as opposed to chasing symptoms.” explains Dr. Thomson, “I am a firm believer that the entire musculoskeletal system must be addressed in order to restore proper function to the body.”

Her experience in the competitive world and the love of sports gives her the compassion and drive to keep her patients moving. Dr. Thomson not only enables patients to get back to their sport faster, but also helps them improve their athletic performance.

Dr. Thomson appreciates the vibrant exercise culture Austin has to offer. In her spare time she enjoys her workouts at Pure Austin, and running at Lady BirdLake. She will never turn down a ski vacation and enjoys hitting the slopes.


Dr. Tommer Arbuckle DC, CCSP

Dr. Arbuckle received his doctorate from Palmer College of Chiropractic West in San Jose, CA, and continued his post-graduate education to become a Certified Chiropractic Sports Physician. Dr. Arbuckle strives to maintain integrity, passion, and commitment with each patient he works with, allowing them to achieve their goals of optimal performance; he is committed to maintaining a standard of care that utilizes the most up-to-date and effective techniques.

Dr. Arbuckle has extensive training and knowledge in treating injuries involving the musculoskeletal system and specializes in Active Release Technique (ART) and HansOn Muscle Therapy (HMT). Fortunate to have trained under the founders of both specialties, Dr. Arbuckle is Masters Level certified; in addition, he is proficient with Diversified Chiropractic adjustments and Cox Technic. Looking at the body as a kinetic chain, and taking into account one’s biomechanics through functional movement assessments, Dr. Arbuckle enables his patients to maintain active lifestyles and achieve ideal performance based on individual need versus a one-fits-all diagnosis and treatment application.

While in San Jose, Dr. Arbuckle was able to work directly with professional athletes associated with the following teams and organizations: San Francisco 49ers, UFC/Strikeforce, American Kickboxing Academy, San Jose Sabercats, Stanford Nike Farm Team, and US Olympic medalists (marathon, track, triathlon, boxing, and weightlifting). He has also acted as attending physician at the Ironman World Championships in Kona, HI, providing ART to participating triathletes.

Dr. Arbuckle moved to Austin in 2008 and enjoys spending his free time training with Gilbert’s Gazelles running group and relaxing in the laid-back Austin scene.


Dr. Kyler Brown DC, CCSP

Dr. Brown received his doctorate from Palmer College of Chiropractic West in San Jose, CA and continued his post-graduate education to become a Certified Chiropractic Sports Physician. Dr. Brown has extensive experience treating many types of patients, from professional and amateur athletes to everyday individuals. In addition to traditional chiropractic methods, his specialties include Active Release Technique (masters level), Cox Flexion Distraction, Diversified Spinal and Extra Spinal Rehabilitation Techniques, Selective Functional Movement assessment (SFMA), Functional Movement Screen (FMS), and detailed biomechanical assessment protocols.

Dr. Brown developed his interest in effective, conservative musculoskeletal treatment as a collegiate basketball player and fully understands the importance of athletes returning quickly to their sport without unnecessary invasive treatment. Dr. Brown has experience working with elite athletes including NFL, NBA, MLB, PGA, NHL, and Olympic athletes, professional tennis players, English Premier League players, and NCAA and world champion triathletes. In addition to his athletic affiliations, Dr. Brown enjoys working with anyone looking for proactive ways to improve their physical health.

Prior to moving to Austin, Dr. Brown worked in New York City with a widely respected and nationally known ART instructor, Dr. Rob DeStefano, as a consulting physician at the world famous La Palestra Center for Preventative Medicine. At La Palestra, Dr. Brown worked with orthopedists, physical therapists, and elite trainers from all fields. His job was to develop an exercise prescription for athletes and ailing individuals with complex cases that could not be alleviated with traditional treatment plans. While in New York, Dr. Brown also worked as a consulting physician to the Terrier Triathlon Team, and has been an attending physician at the Ironman World Championships in Kona, HI, providing ART to participating triathletes.

A resident of Austin since 2008, Dr. Brown appreciates the richness and variety of clientele that one of the fittest cities in America has to offer. From Texas high school football players to the grandparents that go to their games, to the runners on Lady Bird Lake, Dr. Brown enjoys enabling Austinites to achieve their everyday best.


Dr. Jordan Pellien DC, MSc

Dr. Pellien received his doctorate from Parker University in Dallas, TX and continued his postgraduate education to earn a Master of Science in Sports Science and Rehabilitation. In addition to his proficiency in traditional chiropractic care, Dr. Pellien has had extensive training and experience in biomechanical analysis, treatment, rehabilitation, and injury prevention for athletes. His specialties include Active Release Technique, biomechanical assessments and treatments, as well as full body rehabilitation protocols.

Dr. Pellien’s own injuries inspired his studies in conservative musculoskeletal care and the ability to heal the body without drugs or surgery. Dr. Pellien trained in Bogota, Colombia, treating Olympic athletes in their preparations for the 2012 London Olympic Games. He treated athletes from beach and indoor volleyball, soccer, track and field, gymnastics, marathon, Ironman competitions, basketball, baseball, softball, swimming, speed skating, cycling, and golf.

Dr. Pellien returned stateside where he has treated athletes from the NFL, MLB, PGA, NCAA, and the Ironman circuit. Dr. Pellien works closely with orthopedists, physical therapists, and personal trainers to help develop both rehabilitation and athletic performance protocols. Since 2012, Dr. Pellien has been providing chiropractic care for the University of Texas Baseball team, focusing on spinal mechanics, injury prevention, and athletic performance.

The only native Austinite at AST, Dr. Pellien has enjoyed watching the city grow into one of the most vibrant and fittest cities in the US. Dr. Pellien enjoys helping Austinites stay healthy and strong as they achieve their fitness and athletic goals.


Dr. Colin Baillargeon DC

Dr. Baillargeon received his doctorate from Parker University in Dallas, Texas and his bachelors in Nutrition from Oklahoma State University. During his time at Parker University Dr. Baillargeon received a certification in Applied Kinesiology and did extensive studying in functional nutrition. Dr. Baillargeon believes that with the combination of manual muscle testing, active release technique (ART), and diversified adjusting techniques, a treatment plan can be devised to resolve most biomechanical issues/injuries. As a former collegiate cheerleader, gymnastics coach, and Crossfit coach, Dr. Baillargeon enjoys treating elite level athletes, weekend warriors, and the average gym goer alike. Being incredibly active himself, Dr. Baillargeon believes that being healthy and physically capable helps bring opportunity for adventure that may otherwise be missed and he is excited to be a resource to achieve that goal.


Dr. Ashley Fox DC

Dr. Fox received her doctorate from Palmer College of Chiropractic Florida in Port Orange, FL. Prior to that she received her Bachelors of Science in Exercise Physiology with a minor in Sports and Exercise Psychology from West Virginia University.

During her time at Palmer, Dr. Fox received extensive training in Cox Flexion Distraction, Diversified spinal adjusting, Instrument-Assisted Soft Tissue Mobilization, and extremity adjusting as well as being an active member of Sports Council. Throughout her studies, Dr. Fox developed an interest in treating patients with a biomechanical and musculoskeletal approach which led her to become certified in Active Release Technique.

As a new resident of Austin, Dr. Fox is excited to have made Austin home and is enjoying the active lifestyle it has to offer. She is looking forward to helping Austinites of all ages stay as active and healthy as possible.