Dr. David O'Brien graduated from Texas A&M College of Veterinary Medicine in 1994 and became a mixed-animal veterinarian on the Laredo, Texas, border. He and his wife, Lisa, joined the Army in 1996. As a U.S. Army Veterinary Corps officer, he served at Ft. Bragg, Saudi Arabia, Bahrain, and led a mobile veterinary surgical unit in Korea. In 2001, they settled on a farm in Seguin to breed Warmblood horses. In 2011, David and Lisa became parents when they adopted their son, David.
Dr. O'Brien joined VCA at our Henderson Pass Animal Hospital location in 2011 and became Medical Director in 2016. He became the medical director at VCA Health Associates in October 2026.
