Meet Our Veterinary Team

Justin Kozma, VMD

Dr. Justin Kozma is originally from Randolph, NJ. He attended Cornell University, where he received a B.S. in Animal Science with minors in Entomology and Business, and received his veterinary degree from the University of Pennsylvania. As a veterinarian, he developed a passion for avian and exotic medicine and surgery, wildlife treatment, and forming connections with both animals and their owners. When not working, Dr. Kozma enjoys wildlife photography, playing pick-up sports, and being involved in his local parish.

Emma Holliday, cVMA

Dr. Emma Holliday grew up on a small farm in Royersford, PA surrounded by a diverse group of animals; including horses, sheep, chickens, reptiles, dogs, and various exotic birds. Through her involvement in local 4-H equine and poultry programs, she developed a deep appreciation for animal care, reaffirming her passion for pursuing a career in veterinary medicine. She completed her bachelor’s in biology at Wilson College and earned her Doctor of Veterinary Medicine from the University of Florida in 2025. She also pursued her interest for rehabilitation and integrative therapy during her senior year of veterinary school and is certified in veterinary acupuncture through CuraCore.

Outside of veterinary medicine, her interests include skiing, hiking, painting, birding, gardening, and supporting local 4-H organizations. She continues to pursue her interest in equine activities through competitive carriage driving and natural horsemanship training. Dr. Holliday has a strong interest in exotic and avian medicine, with a particular fondness for poultry. She is pictured with one of her personal chickens, Mildred.

Kristin Cameron, DVM, CVA

Dr. Kristin Cameron grew up in Colorado Springs, Colorado outside the Air Force Academy. Growing up she was an enthusiastic horseback rider that loved animals. She was very competitive in showing Morgan Horses, which led her to North Carolina. There she trained to compete and win at the World Championship Level. She attended UNC Chapel Hill and obtained her BA in Science. After undergrad she spent a year working as an Intern at the Carolina Tiger Rescue, gaining a love for exotics and feline medicine.

She attended NC State University for Veterinary School. She had several unique opportunities with Turtle Rescue Team, Carnivore Team (Red Wolf Conservation Program), and other learning opportunities to expand her exotics medicine knowledge. During veterinary school she did outreach programs across Central America, helping to provide veterinary care to rural communities in need. She studied Acupuncture abroad at the South China Agricultural University in Guangzhou, China, and obtained her certificate through the Chi Institute. Being able to offer Acupuncture brings a new modality of treating orthopedic and spinal pain for our patients.

Dr. Cameron has been practicing as a general practice veterinarian for companion animals and exotics for almost 10 years. She lives with her husband, three children, and three beloved Bengal cats that keep life busy. Her family moved to the Philadelphia area in order to be close to the Children’s Hospital of Philadelphia, for her middle son who is a heart warrior. Her primary hobbies are rowing, hiking, horseback riding, and of course watching her children’s various sporting events of the season. Now the Camerons call Philadelphia home, and we are happy to have her on the Radnor Veterinary Hospital team!

James Cortell, BVMS

Dr. James Cortell is originally from New Jersey, where he obtained his Bachelor’s degree in Animal Science at Rutgers University. Dr. Cortell was then fortunate enough to venture out of the country to receive his veterinary degree at the University of Glasgow in Scotland. Dr. Cortell then practiced in California, working at an urgent care and exotic animal hospital where he was able to treat a variety of different species, including birds of prey. Although Dr. Cortell enjoys a great number of aspects of small and exotic animal medicine/surgery, he especially enjoys communicating with clients about their pets to ensure they receive the best care possible. In his free time, he enjoys breaking a sweat at the gym, hiking, and spending time with his cat, Mandy. Dr. Cortell is very excited to be joining the amazing Radnor Team!

David Higson, VMD

Dr. David Higson is originally from California and received his Bachelors degree in Physiological Science from the University of California Los Angeles. He earned his veterinary degree from the University of Pennsylvania. As a veterinary student, he spent each summer working here at Radnor Vet. Dr. Higson is excited to continue working with us as a veterinarian. His professional interests include small and exotic animal medicine, soft tissue surgery, emergency care, and preventative care. In his free time, Dr. Higson enjoys swimming, reading books, shopping at Costco, drawing, and spending time with pets.

Rochelle Dymond, VMD

Bio Coming Soon

Stephanie Principati, VMD

Dr. Stephanie Principati is a proud Blue Hen alumni and graduated from the University of Delaware with a degree in animal science and wildlife conservation. She received her veterinary degree from the University of Pennsylvania in 2016. Following graduation from veterinary school, she completed an internship in small animal medicine and emergency at the University of Illinois Veterinary Teaching Hospital. She then completed a second internship at the U of I in zoological and exotic companion animal medicine. She is excited to return to Chester County and join the team at Radnor Veterinary Hospital! Dr. Principati’s professional interests include zoological companion animals and wildlife, and she also enjoys small animal medicine and critical care. She enjoys traveling, and her hobbies include running, cooking, and spending time with her dog, Nellie, and two frogs, Fred and Ethel.

Becky Ehrlich, VMD

Dr. Becky Ehrlich is originally from Blue Bell, PA, and received her undergraduate degree in Biology and Science in Society from Wesleyan University. After obtaining her veterinary degree from the University of Pennsylvania, she worked in Chester County before moving to Wayne and joining the team at Radnor Veterinary Hospital in 2014. Dr. Ehrlich has a passion for exotic animal medicine, and also especially enjoys soft tissue surgery, cardiology, and preventative medicine. Dr. Ehrlich lives with her husband Dan and their adorable baby Jacob, as well as their mixed breed dog Rory, a uromastyx named Alistair, and the rabbit brothers Kif Krokfur and Zapp Bunnigan. In her free time, she enjoys traveling, teaching, skiing, baking, and occasionally skydiving.

Len Donato, VMD

Diplomate of the American Board of Veterinary Practitioners in Avian Practice

Since the age of five, Dr. Donato dreamed about becoming a veterinarian. After studying for four years at Indiana University of Pennsylvania and four years at the University of Pennsylvania School of Veterinary Medicine, he attained his longtime goal. As a student, Dr. Donato was responsible for the medical and surgical care of animals at the University of Pennsylvania Wildlife Service. After completing his studies, Dr. Donato was an Associate Veterinarian at Rothman Animal Hospital from 1996 to 2000. His caseload included traditional and non-traditional pets.

As a member of the Association of Avian Veterinarians (AAV), Dr. Donato has lectured at several national conventions. Throughout his career, he has actively provided continuing education opportunities for veterinarians, veterinary students, and veterinary technicians. As an adjunct professor at the University of Pennsylvania School of Veterinary Medicine, he is actively involved in organizing and instructing the education program for veterinary doctor candidates.

In February 2001, Dr. Donato became the owner of Radnor Veterinary Hospital. He treats dogs, cats, birds, reptiles, ferrets, rabbits, guinea pigs, rodents, amphibians, hedgehogs, sugar gliders, and other non-traditional pets. Dr.Donato’s areas of interest include orthopedics, endoscopy, and wildlife & exotic pet medicine and surgery. He is currently serving as an adjunct professor at the University of Pennsylvania School of Veterinary Medicine, which allows him to support students working toward their own veterinary career goals. Dr. Donato lives with his wife, Marianne, and they are pet parents to a bichon named Sammie, as well as a cat, Fivi. Dr. Donato enjoys football, table tennis, and hiking on the Appalachian Trail.