Mark Hamilton, CVPM - Regional Hospital Administrator, Hospital Owner

Mark spent most of his free time as a child chasing reptiles around northern Arizona and southern California. He joined the U.S. Army after high school which gave him the opportunity to chase reptiles around the southeastern United States, Europe, and the Middle East. Mark has cared for and raised many species of reptiles over the years. Although reptiles are his primary interest, he has a strong passion for all exotic pets. He currently spends most of his free time fishing at Arizona’s desert lakes or photographing rattlesnakes.  


Craig is an energetic, Caribbean boy from the island of Barbados. He received his veterinary license in the Caribbean and is working to be licensed in the USA.  His career passions include surgery and emergency medicine. In the future, he hopes to become a board-certified surgeon.

His personal passions include traveling, learning new cultures, languages, and enjoying different cuisines. If anyone plays chess, he's always down for a challenge. While he doesn’t have any personal animals, he enjoys hanging out with friends and giving their pets plenty of TLC.


Angelica has lived here in Arizona her entire life. She is currently a student at Mesa Community College and volunteers at Out Of Africa Wildlife park on the weekends. She has worked in the veterinary field for about five years now and her goal is to work with wildlife one day. She has two dogs that she loves dearly, a chihuahua/Pomeranian mix and a German Shepherd. In her free time, she likes to read and hang out with her friends and family. 


Julia received her first bird as a pet at the age of 9 and has birds as her companions ever since. Julia adores all types of avians and are fascinated to work with them. She grew up in Glendale, AZ and went to west-mec in her last year of high school to earn her veterinary assistant certification. Her hopes are to work her way up and study in order to become a doctor specialized in avians.


Janel recently got into being a vet tech. She has always loved animals and wanted to pursue something to do with animals. At a young age she was pushed away from the animal world and instead became a Bioarcheologist. She did that for 5 years and loved it but was missing something. At this time decided to go to school to become a Vet Tech. While going through school she worked at an emergency cat and dog hospital. One day she would love to work with wild life.

Dargin, BS

Dargin was born in Phoenix and has lived in Arizona all of his life. Dargin got his Bachelor's in Biology at ASU while he spent some time volunteering at the Phoenix Zoo, Wildlife World Zoo & Aquarium, and Liberty Wildlife.  He received his Vet Tech certification from Pima Medical Institute.

In his free time, he enjoys cooking, hiking, kickball, video games, spending time with friends and family, and hanging out with his two cats, Thea and Lila. Dargin also has a corn snake named Sally, who has been with him for a long time.

Rosemarie (Rosi)

Rosemarie (Rosi) has always loved animals since she was able to walk. She started working with animals at the age of 15 and from there on worked in cardiology and internal medicine and general practice for cats and dogs. She now is learning and loving working with exotic animals. She has a son, Dakota, and a beautiful dog named Maggie Rose.

Dr. Tess McPheeters, DVM

Tess McPheeters grew up in Arizona and attended a liberal arts college in Southern California. While there, she found a deep passion for wildlife rehabilitation, and quickly began to work towards becoming an exotic and wildlife veterinarian. She graduated from Kansas State University’s College of Veterinary Medicine in 2022. She has jumped at every opportunity to gain experience with exotic and wild animals all around the globe.

Outside of the clinic, she enjoys traveling, outdoor activities, and creating art pieces.

Dr. Emily Mocarski, DVM

Dr. Mocarski grew up in the Bay Area of Northern California, and knew she wanted to be a veterinarian from a very young age. She completed her undergraduate degree at the University of Southern California and worked for 8 years as a technician at a research facility outside of Austin, Texas before pursuing her veterinary degree. She earned her doctorate from Iowa State University in 2021 and during veterinary school she joined many clubs, including the zoo and exotics, reptile, and avian clubs, taking any opportunity to pursue additional exotics learning experiences.

Katrina Napier, AA

Katrina was born in Knox, Indiana and moved to Arizona in 2005. She has always had an interest in animals and obtained her Associates in Arts from Mesa Community College in May 2016 where she cared for all the exotic animals (a kangaroo rat, a pocket mouse, two salamanders, two desert toads, various constrictor snakes, two mud turtles, a crayfish, a black widow, a tarantula, desert tortoises, a bass, a chuckwalla, and desert iguanas) that Mesa Community College Life Science Department had.