Faculty / Staff


Photo: Joie Watson, DVM, PhD, DACVIM

Joie Watson, DVM, PhD, DACVIM - Chief of Service

Dr. Joie Watson received her DVM from UC Davis in 1986. She also received a PhD (Comparative Pathology) from UC Davis in 1994. Following completion of her PhD in 1994, Dr. Watson became a member of the UC Davis School of Veterinary Medicine faculty. She is board certified in the sub-specialty of large animal in the American College of Veterinary Internal Medicine.

Photo: Isabelle Kilcoyne, MVB, DACVS - Staff Veterinarian

Isabelle Kilcoyne, MVB, DACVS

Dr. Isabelle Kilcoyne earned her veterinary degree from University College Dublin (Ireland) in 2008, after which she spent a year as an equine surgical intern at their University Veterinary Hospital. She then joined UC Davis, first as a team member with the Equine Field Service for two years, and then completing a three-year residency in equine surgery. Dr. Kilcoyne is board certified (Diplomate) in the American College of Veterinary Surgeons. She currently serves with several services including: Equine Surgical Emergency and Critical Care Service; Equine Surgery and Lameness Service; and Equine Field Service. Dr. Kilcoyne’s main clinical and research interests are in emergency surgery and medicine, particularly gastrointestinal surgery.

Photo: Emily Berryhill, DVM

Emily Berryhill, DVM - Staff Veterinarian

Dr. Emily Berryhill received her veterinary degree from UC Davis in 2010. She then completed a year-long internship and stayed on an additional year at Brock Veterinary Clinic in Texas, with an emphasis in equine practice. Dr. Berryhill returned to UC Davis to complete a year-long fellowship in Equine Medicine and Field Service in 2013 and a three-year residency in Large Animal Internal Medicine in 2016.


Photo: Esther Millares Ramirez, LV

Esther Millares Ramirez, LV - Fellow

Dr. Esther Millares Ramirez earned her veterinary degree in 2012 at the Alfonso X El Sabio University in Madrid, Spain. Following graduation, she completed a one-year equine rotating internship in UAX Hospital Veterinario in Madrid, then moved to Canada to complete a 6-month equine rotating internship at Paton and Martin Veterinary Services in Langley, British Columbia. During that time, Dr. Millares gained significant interest in equine surgery and sport horse medicine and came to UC Davis in 2016 to complete the one-year equine integrative sports medicine fellowship. She stayed on at UC Davis to puruse the equine field service fellowship in 2017. Dr. Millares is finishing her acupuncture certification at the Chi Institute in Florida, and she is also pursuing the Practice Experience Residency of the American College of Veterinary Sports Medicine and Rehabilitation.