Our Veterinarians

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Dr. William Mazur, Medical Director

Dr. Mazur obtained his BS in Marketing/Business from George Mason University. After graduating, he became a professional touring musician with the DC based rock band, SEV. After parting ways with them (5 years later), he started his veterinary career by attending the VA-MD Regional College of Veterinary Medicine. After graduating, Dr. Mazur continued his professional training and completed a rotating internship at the Angell Animal Medical Center in Boston, MA. He was an emergency/critical care veterinarian for the next several years before moving back down to the Washington DC area to be closer to his immediate family.

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Dr. Jennifer Schneider, Medical Director

Dr. Schneider holds an undergraduate degree in animal science and pathobiology from the University of Connecticut and is a graduate of the University of Pennsylvania School of Veterinary Medicine. Dr. Schneider worked for several years at a small animal and equine practice in New Jersey prior to moving to this area and joining Clocktower in 1999. Dr. Schneider’s professional interests include Lyme disease, radiology, preventive medicine, and protecting the human-animal bond. She resides in Herndon with her husband and three children.

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Dr. Megan Gibson

Dr. Gibson received her undergraduate degree in biology from the University of Richmond and her veterinary degree from the University of Tennessee in Knoxville. Following graduation, she obtained additional training through general rotating, internal medicine, and ophthalmology internships. Her professional interests include ophthalmology, internal medicine and radiology/ultrasound. Dr. Gibson lives in Centreville with her husband and two dogs.

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Dr. Leslie Moore

Dr. Moore is a graduate of the College of Veterinary Medicine at The Ohio State University and earned an undergraduate degree in zoology from Auburn University. She was affiliated for eleven years with Wheaton Animal Hospital in Kensington, Maryland, before joining the Clocktower team in 1998. Dr. Moore and her husband, David Brown, live in Vienna with their three children.

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Dr. Jordan Shealey

Dr. Shealey completed her undergraduate degree at the University of Mary Washington and went on to earn her veterinary degree at the University of Glasgow in the United Kingdom. She then completed a 1 year internship with an emphasis on emergency medicine at a local Specialty/referral hospital. Dr. Shealey, when not working, enjoys traveling and spending time with friends and family, her husband Jake, and their border collie, Huckleberry.

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Dr. Virginia Vincent

Dr. Vincent earned her veterinary degree from Texas A&M University in 2008. She practiced in the northern Virginia area for 5 years before joining the Clocktower team. Her special interests include dentistry, feline medicine, and diabetes management. Between earning her bachelor’s degree in biology from Princeton University in 2002 and attending veterinary school, Dr. Vincent traveled to Kenya to conduct wildlife research and worked as a veterinary technician in general and emergency practice. Dr. Vincent lives in Arlington with her husband and son. She shares her home with an orange tabby cat and a border collie mix.

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