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Ryan Hospital News


Penn Vet’s Ryan Hospital Welcomes New Clinicians

By John Donges Published: Jan 22, 2016

[January 22, 2016; Philadelphia, PA] – The University of Pennsylvania School of Veterinary Medicine (Penn Vet) announces the appointment of Dr. Anna Gelzer as Associate Professor of Cardiology, Dr. Marc Kraus as Attending Cardiologist and Outpatient Medical Director for Ryan Hospital, and Dr. Jennifer Mahoney as Clinical Assistant Professor in Medical Oncology.

“I am delighted that Anna, Marc, and Jennifer have joined the Ryan Hospital team,” said Bo Connell, Executive Director of Ryan Hospital. “With their expertise, we can continue to provide the highest level of specialty care to our patients.”

Dr. Daniel Morris, interim Chair of the Department of Clinical Studies, echoed the sentiment. “We are thrilled to have Anna and Marc back at Penn Vet. In addition, Jennifer’s research interests will complement some of our most exciting ongoing clinical trials.”

Dr. Anna GelzerAnna Gelzer, Dr.med.vet., PhD, returns to Penn Vet to join the Cardiology faculty as Associate Professor. In 1992, Gelzer received her veterinary degree from the University of Bern, Switzerland. After an internship in small animal medicine and surgery at University of Georgia, she completed a residency in cardiology at Cornell University. Gelzer joined Penn Vet as an Assistant Professor of Cardiology in 2000. She then joined the faculty at Cornell University in 2001, where she taught large and small animal cardiology, trained cardiology residents, and performed research for twelve years. Most recently, Gelzer was on the faculty at the University of Liverpool, United Kingdom. She has consulted for industry on ECG abnormalities and antiarrhythmic agents. Gelzer is board-certified in cardiology by both the American College of Veterinary Internal Medicine and the European College of Veterinary Internal Medicine, and is a member of the Royal College of Veterinary Surgeons in the United Kingdom.

Dr. Marc KrausMarc Kraus, DVM, also returns to Penn Vet, joining the Cardiology team as an Attending Clinician, while also providing cardiology services for Penn Vet’s affiliate hospital, Mount Laurel Animal Hospital. As the Outpatient Medical Director for Ryan Hospital, Kraus is also responsible for providing senior clinical leadership and oversight for outpatient clinic operations. In addition to identifying opportunities to improve operational efficiency and client satisfaction, he acts as the senior clinician liaison between referring veterinarians and the hospital. Kraus received his veterinary degree from the University of Georgia in 1993. After completing an internship with Animal Medical Center in New York City, he returned to the University of Georgia for an internal medicine residency, followed by a cardiology residency at Cornell University. He was a clinical instructor at The Ohio State University before coming to Penn Vet in 2000. Returning to Cornell in 2001, Kraus was a Senior Lecturer for 12 years. Most recently, Kraus was on the faculty at the University of Liverpool, United Kingdom. He is board-certified in cardiology and internal medicine by the American College of Veterinary Internal Medicine and a Cardiology diplomate in the European College of Veterinary Medicine. He is a member of the Royal College of Veterinary Surgeons.

Dr. Jennifer MahoneyJennifer Mahoney, DVM, received her veterinary degree from North Carolina State University in 2006. After completing an internship at the Animal Medical Center in New York City, Mahoney returned to NC-State for residency training. She was a staff oncologist at Angell Animal Medical Center in Boston, MA, for five years, and most recently worked at Upstate Veterinary Specialists near Albany, NY. Mahoney’s research interests include chemotherapy resistance and side effects, and novel therapies for canine lymphoma and hemangiosarcoma. She is board-certified in oncology by the American College of Veterinary Internal Medicine. 

About Penn Vet

The University of Pennsylvania School of Veterinary Medicine (Penn Vet) is a global leader in veterinary education, research, and clinical care. Founded in 1884, Penn Vet is the first veterinary school developed in association with a medical school. The school is a proud member of the One Health initiative, linking human, animal, and environmental health.

Penn Vet serves a diverse population of animals at its two campuses, which include extensive diagnostic and research laboratories. Ryan Hospital in Philadelphia provides care for dogs, cats, and other domestic/companion animals, handling more than 30,000 patient visits a year. New Bolton Center, Penn Vet’s large-animal hospital on nearly 700 acres in rural Kennett Square, PA, cares for horses and livestock/farm animals. The hospital handles more than 4,000 patient visits a year, while the Field Service treats nearly 37,000 patients at local farms. In addition, New Bolton Center’s campus includes a swine center, working dairy, and poultry unit that provide valuable research for the agriculture industry.