Our Vets

Giller Animal Hospital offers personalized service with state-of-the-art care. Using a team approach, our veterinarians provide health maintenance, diagnostics and medical care with skill and compassion. Learn more about our doctors below.

Dr. Jay Antaal

Veterinarian, DVM

Dr. Jay Antaal, DVM has been practicing veterinary medicine for over 20 years, and is the owner of Giller Animal Hospital. He chose to enter the veterinary profession because he loves medicine, feels close to animals, and helping people with their pet’s problems brings him much joy.

Lynn Theo

Office Manager

Lynn is our office manager with over 12 years of experience working with and caring for your pets. She resides in Bartlett with her family, two dogs and a parrot.

Joanna Elliott

Veterinary Technician

Joanna is one of our veterinary technicians with 6 years of experience. She resides in Carol Stream and loves spending time with her two dogs.

Alexis Sicherman

Veterinary Technician

Alexis works part-time while attending school. She resides in Carol Stream, and works closely with Greyhound rescues.


Client Affairs

Uno came to us as a kitten, with injuries too serious for her owners to take care of. She has been with us now for 9 years and will happily greet you as you arrive!