Meet our Doctors

Dr. Steven Cantner & Dr. Judith Shekmar
Founders and Owners

Veterinarian Steve CantnerVeterinarian Judith ShekmarDoctor Steve Cantner graduated from Lafayette College and the University of Pennsylvania School of Veterinary Medicine. He co-owns the Bryn Mawr Veterinary Hospital with his wife, Dr. Judy Shekmar, a Rosemont College alumna and also a UPenn Veterinary School graduate. They have owned and operated Bryn Mawr Veterinary Hospital since 1979 and have proudly watched the practice grow and enlarge to its present modern and technologically advanced state.

Together they have raised four daughters who have now all finished college and are launched on their career paths. Doctors Shekmar and Cantner are lifelong residents of Rosemont and share their home with two collies named Jackson and Cody, and two cats, Merlin and Ellie. They also enjoy caring for and riding their horses, Vonna and Hugo, as well as fly fishing, skiing and travelling whenever and wherever possible.

Veterinarian Lawrence Gallagher

Dr. Lawrence Gallagher, Veterinarian

Dr. Gallagher earned his BA in biology from Lycoming College and his masters from Bucknell University. He graduated from the University of Pennsylvania School of Veterinary Medicine in 1995 and has been an integral staff member at Bryn Mawr Veterinary Hospital since 1997.

He and his wife, Elaine, have raised a son and daughter and currently share their home with a talented canine named McGraw, whom Larry fondly refers to as a West Virginia Black-Tailed Snipe Hound.

Larry and Elaine enjoy traveling, fly fishing, scuba diving, and photography as well as many projects around the house. Professionally, Larry’s interests are surgery, radiology, and internal medicine. He is currently involved in developing his skills as an ultrasonographer.

Did you Know: Larry and Elaine take a hike each summer in North-Central PA to find and photograph rattlesnakes.

Veterinarian Felicia Hayes

Dr. Felicia HayesVeterinarian

Dr. Hayes received her veterinary degree in 2004 from Atlantic Veterinary College in Prince Edward Island, Canada. She was born and raised in Springfield PA, and received her bachelors degree from the University of Scranton and a masters degree from the Thomas Jefferson University. Dr. Hayes has been at Bryn Mawr Veterinary Hospital since 2009 and has special interests in cardiology, neurology, and behavior. Felicia loves the outdoors, gardening, and has particular interests in oil painting.

Veterinarian Judith Greenamyer

Dr. Judith GreenamyerVeterinarian

Dr. Greenamyer earned her MS in Cell Physiology from the University of California, Davis in 1987. She received her veterinary degree from Ohio State University in 1972. Dr. Greenamyer was also involved in the US Air Force (Veterinary Corps, then Biomedical Sciences Corps) from 1975-1988 when she resigned with the grade of Major. Dr. Greenamyer joined our team as a part time Veterinarian in 1988. Although she enjoys working with dogs, her first love is feline medicine.

Dr. Greenamyer has been fully employed at West Chester University, Department of Biology, since 1988 and still enjoys teaching.

When Judy is not working she enjoys her down time at home with her cat, Roxy. Judy also enjoys reading mysteries and historic fiction books.

Did you Know: Judy has played 2nd violin in Immaculate Symphony for the past 20 years.

Veterinarian Steve West

Dr. Steve WestVeterinarian

Dr. West earned his BS in Molecular biology from the University of Wisconsin Madison in 1990 and his Doctorate in Molecular Genetics from Princeton University in 1997. He graduated from the University of Pennsylvania, School of Veterinary Medicine in 2002. Dr. West joined Bryn Mawr Veterinary Hospital in August 2010. He has a particular interest in internal medicine and dentistry.

Steve and his wife ,Julie, live near Flourtown with their two young children, Ethan and Paige. They have two pets, Buster, a young Plott Hound mix from South Carolina and a cat, Mickey, who tolerates Buster with surprising patience.

Julie and Steve enjoy all manner of outdoor activities including hiking, camping, biking, and running.

Did you Know: Steve has had a passion for playing ice hockey, which he has been doing for several years now.


Dr. Caroline Cantner, Veterinarian

Dr. Caroline Cantner received her BA in Government from Dartmouth College and graduated from the University of Pennsylvania School of Veterinary Medicine in 2011. Prior to receiving her veterinary degree, Dr. Cantner spent two years as an AmeriCorps member in rural Washington state working with at-risk youth. She relocated home to the Philadelphia area and currently has one cat, Ginny, who was adopted from Bryn Mawr Veterinary Hospital’s kitten adoption program.

Dr. Cantner is starting full time at her family’s veterinary hospital here at Bryn Mawr after spending 3 years as a veterinarian in Chester County. After growing up right here at Bryn Mawr Veterinary Hospital, she is excited to be joining the family practice!

Did you Know: Dr. Cantner is a mentor in the Big Brother/Big Sister program in Philadelphia and has been matched with her “Little” for 3 years!


Dr. Mike MillerVisiting CardiologistDr Miller

Dr. Miller received his BS from Florida State University in 1972 and his MS in cardiac electrophysiology from Auburn’s College of Veterinary Medicine in 1975. He went on to receive his VMD degree from the University of Pennsylvania in 1979. He is a diplomat of The American Board of Veterinary Practitioners, receiving his certification in 1985 and recertified in 1995 & 2005.

Dr. Miller is married with four children. In his spare time he enjoys golfing.