Our Doctors

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 been actively providing 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 the organization and instruction of 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 children Lena, Joseph and Mica. The Donato family shares their home with a bichon named Sammie, and a cat, Fivi. Dr. Donato enjoys football, table tennis, and hiking on the Appalachian Trail.

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.  In her free time, she enjoys traveling, teaching, skiing, baking, and occasionally skydiving.

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 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, and 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 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.

Kendra Asklof, VMD


Dr. Kendra Asklof is originally from Connecticut and received her Bachelor of Science degree in Biological Chemistry from Bates College in Maine. She ventured down from New England to complete her veterinary degree from the University of Pennsylvania. Her veterinary interests include soft tissue surgery, ophthalmology, internal medicine, exotic species and wildlife. In her free time, she enjoys dancing, yoga, running, hiking and loves visiting breweries. Dr. Asklof currently lives in Philadelphia with her partner Dylan, who is also a graduate of Penn Vet. She also shares her home with her cat Nala and her dogs Tuck and Calvin.

Ian Hollinshead, VMD


Dr. Ian Hollinshead is originally from the other side of Pennsylvania in Pittsburgh, where he received his undergraduate degree in Biology and Science from The University of Pittsburgh.  He first came to us as an extern during his clinical year as a student, and after obtaining his veterinary degree from the University of Pennsylvania, he has returned to join us as the newest member of our team.  Dr. Hollinshead has a passion for wildlife and exotic animal medicine, and particularly enjoys consulting with clients on creating enclosures for reptile and amphibian pets. Dr. Hollinshead lives with his cat, Maddie, a gecko, Epsilon, and two rabbits, Tilty Daryl and Pecan.  In his free time, he enjoys bird-watching, playing the ukulele, and reading books in the park.  He is eager to provide high-quality medicine to all of your furry, scaly, and feathered friends!

Lora Mengle, DVM


Dr. Lora Mengle is a Pennsylvania native who graduated from Miami University of Oxford, OH in 2007 with a Bachelor of Science in Zoology, and a minor in flute music performance. She received her Doctorate of Veterinary Medicine from Ross University in 2012 and graduated with high honors. Since graduation, Dr. Mengle has practiced in both small animal general practice, emergency medicine, and has also done extensive relief work. Her professional interests include surgery, dentistry, ultrasound, emergency medicine, and exotic animal medicine.

Outside of work, she enjoys fishing, jewelry making, knitting, and yoga. She resides with a blue fronted amazon named Rasta and a parrotlet named Yoshi.

Anna Shirosky, VMD


Dr. Anna Shirosky received a Bachelor of Science in Behavioral Neuroscience from Northeastern University before earning a Doctorate degree in Veterinary Medicine from the University of Pennsylvania School of Veterinary Medicine. Anna has a particular interest in advocating for shelter animals and wildlife, and is very excited to provide care to the exotic pets that we see. Dr. Shirosky’s pets include her mixed-breed dog; her cats Russell, Douglas, Smokey, and Beverly; her leopard tortoise Pebbles, and her leopard gecko named Betty. When not working, Dr. Shirosky and her partner Patrick enjoy hiking and walking her dog.

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 adventure 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!