Dr. Mike Giacopuzzi is one of the founders and co-owners of Humphrey, Giacopuzzi & Associates. He grew up on a dairy farm in Ventura County and graduated veterinary school from the University of California, Davis in 1980. Dr. Mike specializes in general surgery and lameness. He is very active in the local 4-H program and serves every year as the veterinarian for the Ventura County Fair.

Dr. Klasson graduated from the UC Davis School of Veterinary Medicine and joined the practice as an intern in 2012, and as an associate in 2013. Her professional interests include: internal medicine, theriogenology and neonatology, as well as wellness and preventative medicine. She completed the Chi Institute’s Equine Acupuncture course and began offering this a as a regular service at HGAE in 2014.

Liz grew up in South Jersey just over the bridge from Philadelphia. She attended the University of Findlay where she graduated with a bachelor’s degree in pre-veterinary and animal sciences. In 2011 she moved to California to attend veterinary school at Western University of Health Sciences. She attended the Chi Institute and completed the equine acupuncture course during her last year of veterinary school. She graduated in 2015 and was inducted into the Phi Zeta Honor Society. In 2015 she began her first internship at HGAE and immediately fell in love with the area and the horse community of Ventura County. In 2016 she moved to Leesburg, Virginia to complete a rotating internship at Virginia Tech’s Marion DuPont Scott Equine Medical Center where she found her passion for equine internal medicine. In 2017 she moved to Manhattan, Kansas to begin her three-year residency in equine internal medicine at Kansas State University. During her residency, she conducted research in immunology investigating vaccine reactions in adult horses and plasma reactions in foals. In 2020 she completed her residency, graduated from K-State with a master’s degree in veterinary biomedical sciences, and was inducted into the Phi Kappa Phi and Golden Key national honor societies. Dr. Perry is extremely excited to once again call HGAE home and to now provide advanced care in equine internal medicine.

Dr. Davidson grew up on the coast of Northern California. She started riding at the age of six in both English and Western disciplines. Zoe attended the University of California, Davis where she majored in Animal Biology and played on the Division I Women’s Tennis Team. Following this, she attended Kansas State University, College of Veterinary Medicine. Born as the only Californian to a British family, she was able to undertake an extensive amount of her veterinary training at equine hospitals in the racehorse-dense area of Newmarket, England. In her Equine Internal Medicine rotations at Kansas State University, she worked closely with Dr. Liz Perry and was awarded the Mary J. Reed Equine Compassion Award. Upon graduating with her DVM in 2018, she completed two years as a primary care equine ambulatory and field service vet for Tyrrell’s Equine Clinic in rural Cambridge, England where she developed a keen interest in equine general practice and preventative medicine. Returning to her beloved California in 2020, she worked briefly in Northern California before starting with HGAE.

Dr. Fallon Haig grew up showing Hunter/Jumpers on the east coast. She moved to the west coast for her undergraduate studies to attend Stanford University, where she received degrees in Biology and Studio Art. From there she moved to the southeast to attend Auburn University for veterinary school. She then completed an internship back in California at the Steinbeck-Peninsula Equine Medical Center before moving to the midwest for a second internship at the University of Missouri and then her combined Large Animal Surgery Residency and Master’s Degree Program at Purdue University. When not at work, Dr. Haig enjoys spending time with her husband and their four dogs, as well as riding her own horses.