Veterinarians

Dr. Sean Penn

Veterinarian and Medical Director

Hello, everyone. I'm Doctor Penn, and I'd like to share with you how I became a veterinarian and what led me down this path.

Dr. Wendy Patterson

Veterinarian

Before becoming a veterinarian, Dr. Wendy Patterson spent almost 20 years working in the fields of human resources and business management. During that same period, she also owned an Arabian horse farm and bred and showed her horses.

Administration

Jennifer

Hospital Administrator, CVT

Jennifer, CVT is the Hospital Administrator. She was born and raised in Phoenix, Arizona.

Tammy

Office Manager, MBA

Tammy joined Horizon Animal Hospital in 2016 as the hospital manager. She was born and raised in New York and loves the NY Yankees! She has been a licensed veterinary technician since 1994.

Maple

Hospitality Director

Maple came to us from California in 2018. She was rescued from an unsuitable breeding situation, and Horizon turned her Into our Hospitality Director. She has not disappointed us with her mad job skills and continues to make people happy.

Veterinary Technicians

Andrea

Certified Veterinary Technician

Andrea has been a part of the Horizon AH team since 2008 (first as a boarding attendant, then technician assistant, and finally a certified licensed vet tech) during which she went to school and received her CVT license in 2011.

Shea

Certified Veterinary Technician

Shea was born and raised in Mesa, Arizona. While Shea was in high school she attended the East Valley Institute of Technology for her veterinary assistant certificate.

Support Staff

Joann

Client Relations

Joann has been in the Veterinary field for many years. She started her career in the veterinary industry in Ohio as an assistant. She then moved to Michigan where she worked as a veterinary receptionist and as a veterinary technician.

Audrey

Client Relations

Audrey was born and raised in Kalispell, Montana. She moved to Arizona in April of 2022 and couldn’t be happier! She has a Corgi mix named Azul and is her best friend! When she is not working love being outside and swimming.

Boarding and Grooming

Katie

Boarding Attendant

Katie has lived in Arizona since 2011. During her free time, she enjoys swimming and hiking. Katie and her boyfriend share the love of their two dogs Marco and Bones.

Reba

Boarding Attendant

Reba has been in the animal industry for over 10 years. During her free time, she enjoys going to the movies, reading, taking her dogs Jack & Bowser on adventures, & spending time with friends & family.

Kelli

Boarding Attendant

Kelli has been a resident of Arizona since 2018, bringing with her two decades of experience in the pet care industry. Her passions include traveling, gardening and live music. Her closest companions are her loyal dog, Rosie and charming kitty MM.

Karen

Groomer

Karen grew up in Dayton, Ohio with a family that loved all kinds of animals from dogs, cats, and rabbits to birds. The joy from early childhood helped her discover her passion for pets, which has led her to a dream career of dog grooming for over 40 years.