About Dr. Marshall-Gibson
DVM, MS, cVMA, CAC, CERPM
Dr. Marshall-Gibson grew up caring for clients’ horses and assisting veterinarians at her parent’s 54-stall Hunter/Jumper and Dressage facility in the Chicago suburbs. She began riding at age six and later competed in hunters and equitation in USEF/USHJA shows. She continued competing in the Intercollegiate Horse Show Association while earning her B.S. degree in Materials Science and Engineering-Biomaterials at the University of Illinois, and her M.S in Biomedical Sciences-Cancer Biology at the University of Colorado-Anschutz Medical Campus—where she also conducted human cancer research.
While earning her DVM at Colorado State University (CSU), Dr. Marshall-Gibson worked with members of the University's Equine Sports Medicine and Equine Orthopedic Research Team, developing her sports medicine and rehabilitation knowledge. In her 4th year at CSU she became certified in Veterinary Medical Acupuncture (cVMA).
After graduating from CSU in 2014, Dr. Marshall-Gibson completed a one-year rotating internship at Steinbeck Country Equine Clinic in Salinas, California, where she was trained by board-certified specialists in equine sports medicine & rehabilitation, surgery, internal medicine, and general equine practice.
Dr. Marshall-Gibson pursued her interest in the equine athlete by completing a Sports Medicine and Diagnostic Imaging Fellowship at Northwest Equine Performance in Mulino, Oregon. There she worked on a variety of horses, from the trail horse to Olympic and World Cup Athletes. During her fellowship, she became proficient in diagnostic radiography, ultrasound, Nuclear Scintigraphy (bone-scan), Magnetic Resonance Imaging (MRI) and shockwave therapy. In addition, she was responsible for managing and treating the patients undergoing FP4 Multi-frequency Veterinary Laser therapy—at the time, the only such laser in the United States.
During her internship and fellowship, Dr. Marshall-Gibson completed training in Animal Chiropractic at the Animal Chiropractic Education Source (ACES) in Meridian, TX and is Certified in Animal Chiropractic (CAC) by the American Veterinary Chiropractic Association (AVCA).
Due to her intersest in rehabilitation and performance medicine, Dr. Marshall-Gibson attended the Integrative Veterinary Medical Institute at the University of Florida and completed her Certification in Equine Rehabilitation and Performance Medicine (CERMP).
In her continuing pursuit of education and excellence in her field, Dr. Marshall-Gibson is currently working on her alternative track residency to obtain her board certification by the American College of Veterinary Sports Medicine and Rehabilitation - Equine with her mentors Dora Ferris, DACVSMR, and Matt Durham, DACVSMR. Anticipated completion 2023.
Dr. Marshall-Gibson’s professional interests include Sports Medicine, lameness, diagnostic imaging (especially ultrasound), rehabilitation, acupuncture, chiropractic and laser therapy.
Dr. Marshall-Gibson is licensed in Colorado, Wyoming, California and Washington State.
Dr. Marshall-Gibson serves as the on-site veterinarian for the Steamboat Springs PRCA Pro-Rodeo Series along with High Country Veterinary Services. She is a member of the American Association of Equine Practitioners (AAEP), the American Veterinary Medical Association (AVMA) and the Colorado Veterinary Medical Association (CVMA), and the American Veterinary Chiropractic Association (AVCA).
When not serving her Front Range Equine clients, Dr. Marshall-Gibson assists fellow veterinarians to grow their practice by providing consulting, Equine Performance Partnerships and relief veterinary services. She is eager to help equine athletes and her colleges wherever she can.
When she's not working with her patients, Dr. Marianne enjoys camping, hiking, backpacking, and home brewing and wine making with her husband, Kyle, and dogs, Barley and Abbey Ale.