Andy Baker is a native of Altus, Oklahoma. He attended Veterinary School at Oklahoma State University followed by a surgical residency at Texas A&M School of Veterinary Medicine. He then served two years in the Air Force and practiced for a short while in Miami, Florida, before moving to Houston where he did surgery referral practice until moving to McAllen. He became a partner at Nolana Animal Hospital in 1989. He continues to practice specializing in surgery, orthopedics and neurology. He is an active fisherman, golfer and private pilot.