Dr. Gross grew up in Pittsburgh, PA. After graduating from Ohio State University College of Veterinary Medicine, she moved to Washington DC. She completed an internship at Friendship Hospital for Animals. After completing the internship she stayed on as a staff veterinarian there. She worked as a relief veterinarian throughout the DC area after leaving FHA, but has been established as a full-time veterinarian here since 2007. She is our Medical Director at UVC. She lives with her husband Ry, daughter Matilda, son Leo, dog Rooney and cat Sparkles.

Dr. Yim grew up in California and graduated from Louisiana State University – School of Veterinary Medicine in 2011.  He worked as a full-time veterinarian in North Carolina for over 5 years before moving to the Washington DC metro area in 2016.  He worked as a full-time relief veterinarian for 4 years at various hospitals in Maryland and Washington DC, including here at Union, before he officially joined the team as a full-time associate veterinarian.  He holds a special interest in ophthalmology, dentistry, cardiology, and soft-tissue surgery.  Before obtaining his veterinary degree, he obtained his Bachelor’s degree in Biological Sciences and Dairy Science, and a Master’s degree in agriculture, concentration in micro and molecular biology while at California Polytechnic State University – San Luis Obispo.  He enjoys spending time practicing the clarinet and trying to be a home-cook chef.

Originally from Bethesda, Maryland, Dr. Perry graduated from the Cummings School of Veterinary Medicine at Tufts University. At Tufts, she volunteered her free time at Tufts at Tech, the veterinary school’s community clinic, which offers low-cost high-quality care to communities in need. She practiced at several different clinics and shelters in Boston before relocating back to DC where she now provides relief veterinary services. She is passionate about nurturing the human-animal bond through open and honest conversations with clients and providing low-stress and compassionate care for her patients. Her interests include soft-tissue surgery and preventative care. When not working, Dr. Perry enjoys hiking, cooking, and spending time with her family. 

Dr. Massre’s roots lie in the sunny town of Cooper City, Florida. He embarked on his academic journey at the University of Florida, where he pursued both his undergraduate degree and veterinary studies, proudly earning the distinction of being a ‘double gator’ upon his graduation. During his time in school, he cultivated a deep fascination for preventive care, as well as internal and emergency medicine.

Outside the world of veterinary medicine, Dr. Massre’s passions include hiking and immersing himself in captivating landscapes, often accompanied by his cherished canine companions, Marshall and Mango. One of his cherished dreams is to explore every national park across the United States.

Dr. Slottje hails from Upstate New York, where she completed both her undergraduate and veterinary degrees at Cornell University. During her studies, she developed a passion for soft tissue surgery and neurology. Now, as a general practitioner, she is thrilled to integrate these specialties with preventative care.

Outside of work, Dr. Slottje enjoys quality time with her fiancé and their grumpy cat, Macy. She loves reading, cooking, traveling, and is eager to explore all that DC has to offer, including becoming the Nationals’ #1 fan.