Dr. Robert L. Peiffer graduated from the University of Minnesota College of Veterinary Medicine in 1971.  He completed a small animal internship at Iowa State University before returning to a small animal practice in Minneapolis.  He subsequently went to Purdue University for a surgical residency and back to University of Minnesota for ophthalmology training as a NIH fellow. He worked as a researcher, educator, and director of a region-wide veterinary referral practice for 24 years at the University of North Carolina in Chapel Hill. He became Board Certified by the American College of Veterinary Ophthalmologists in 1981. Dr. Pefieffer joined VCVR in 2004.

Dr. Mary L. Landis graduated from Temple University in 1995 with a Bachelor’s degree in Chemistry and a minor in mathematics.  In 1996, she obtained a Master’s degree from Temple University in Physical Chemistry. She was a research associate at  the Barnett Institute of Materials Science at Northeastern University in Boston, Massachusetts where she  received several awards for her accomplishments in research and for excellence in teaching prior to returning to the University of Pennsylvania where she graduated from the  School of Veterinary Medicine in 2004.   She was a general practioner at Doylestown Animal Medical Center and an emergency clinician for one year after graduation prior to beginning her residency in 2005.