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Meet Our Team!
Experienced, caring professionals dedicated to keeping your pet happy and healthy.
Exceptional Veterinary Care in Round Rock, TX
At Vista Vet Animal Hospital & Pet Lodge, we believe great veterinary care starts with great people. Our team of experienced veterinarians combines advanced training with a personalized approach, ensuring each pet receives the care they need to thrive. From preventive wellness to complex diagnostics and surgery, our doctors are here to support every step of your pet’s journey — with expertise, empathy, and a shared love for animals.
Medical Director
Dr. Anton Roach, DVM, MS
Medical Director
Dr. Anton Roach is a highly accomplished veterinarian and the visionary behind Vista Vet Animal Hospital & Pet Lodge. A native of Queens, New York, Dr. Roach holds a B.S. in Animal Science and an M.S. in Immunology from Iowa State University, where he also earned his Doctor of Veterinary Medicine. He combines a strong background in research with a patient-first philosophy, delivering highly individualized care tailored to each pet’s unique needs.
Dr. Roach is also a passionate mentor for veterinary students and new graduates. When he’s not caring for patients, he enjoys spending time with his ball python, Thumbelina.
Our Doctors
Dr. Celeste Nimmo
(DVM)
Dr. Celeste Nimmo was born and raised in Louisiana. She followed her love of animals to Louisiana State University, where she completed her B.S. in Animal Sciences and her DVM. She brings a strategic, solutions-focused mindset to each case and has a special interest in internal medicine.
Dr. Nimmo values client education and the human-animal bond, ensuring pet parents feel supported and informed every step of the way. Outside the clinic, she enjoys traveling, trying new cuisines, and relaxing with her husband, children, and their two dogs — Dexter and Helen.
Dr. Benjamin Butler
(DVM)
Originally from Texas, Dr. Benjamin Butler holds dual degrees in Biology and Biochemistry from Baylor University and a DVM from Texas A&M. He joined Vista Vet during his time as a veterinary student, quickly developing a deep passion for patient care and education.
With a strong interest in cardiology, Dr. Butler aspires to specialize in echocardiography. His down-to-earth approach helps pet parents feel at ease, and he’s always happy to explain the “why” behind treatment recommendations. In his downtime, Dr. Butler enjoys the outdoors, sports, and time with his Doberman, Titan, and Irish Wolfhound, Maeve.
Dr. Elissa Jackson
(DVM, MS)
An Austin native, Dr. Elissa Jackson earned her B.S. and DVM from Texas A&M University, where she entered veterinary school early thanks to her academic excellence. After gaining experience in small animal hospitals and working as a relief vet across Central Texas, she found her home at Vista Vet.
Her clinical interests include feline medicine, geriatric care, dentistry, and emergency/critical care. At home, she tends to a small zoo, which includes three dogs, three cats, and multiple aquariums. In her free time, she enjoys gardening, spending time with her husband, and caring for her many beloved pets.
Dr. Meredith Lanier
Dr. Meredith Lanier earned her Doctor of Veterinary Medicine from Oklahoma State University and brings over six years in small animal general practice to our practice. She began her career in general practice medicine and later expanded to urgent care, with a special fondness for caring for large-breed dogs and cats.
Dr. Lanier is committed to lifelong learning and regularly pursues continuing education, including upcoming advanced training in emergency and critical care. She is passionate about the human-animal bond and advocates for preventive care, including vaccines, spay/neuter, annual bloodwork, and parasite prevention.
Outside of the hospital, Dr. Lanier enjoys spending time with her husband and son, tackling home DIY projects, and traveling.