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Hayley Sullivan, DVM, Hospital Intern

Dr. Hayley Sullivan is from the Palos Verdes Peninsula, a surfing and horse community in the Los Angeles area. There she grew up riding, playing basketball, and dreaming of becoming an equine veterinarian. Hayley attended the University of California, Davis where she received a bachelor’s degree in animal science with an equine emphasis. While at UC Davis she was a member of the three-day eventing team and was a manager for the campus’ intramural sports program. She then moved back to Southern California and attended Western University of Health Sciences for her DVM.


Hayley is a three-day event rider who has competed through the CCI 1* level with her OTTB. As an HA traditional graduate of the USPC, she is an instructor back home for the Portuguese Bend Pony Club. Teaching eventing to young riders is one of her passions! Her professional interests include equine surgery, sports medicine, imaging, cardiology, and anesthesia. In her free time she enjoys road trips, camping, live music, hiking, crafting, and rock climbing.

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