Our Veterinarians

When a family member is under the weather or suffering from discomfort, he deserves the attention of a caring, competent physician with the skills to diagnose his ailment and the compassion to treat him with tenderness.

At Countryside Animal Clinic, an expert staff of veterinarian doctors and a skilled team of technicians are here to do just that. Under the directorship of our highly skilled veterinary doctors, your pet is always in good hands. We're ready when your pet needs us.

Kelley Gnowles, Associate Vet at Sterling Animal Hospital

Dr. Kelley Gnowles

Dr. Kelley Gnowles is a native of Alabama and a 2004 graduate of Tuskegee University School of Veterinary Medicine. She moved to Northern Virginia in 2005 where she resides with her husband, 3 cats, and 2 dogs, Bean and Cora. She has special interests in senior pet care, internal medicine, and alternative medicine and therapies. In her spare time, Dr. Gnowles enjoys camping, cooking, and dancing.

Rachel Waltzer, Associate Vet at Sterling Animal Hospital

Dr. Rachel Waltzer

Dr. Rachel Waltzer joined Countryside Animal Clinic in June 2015 after graduating from the University of Pennsylvania School of Veterinary Medicine. She grew up in South Jersey, and is excited about exploring Northern Virginia. Dr. Waltzer enjoys the family atmosphere at Countryside. She is especially interested in dentistry, but is also looking forward to developing other interests as she continues to work. Dr. Waltzer lives with Evey, her black cat. She enjoys horseback riding, reading, hiking, and container gardening.

Kathleen Werden, Associate Vet at Sterling Animal Hospital

Dr. Kathleen Werden (Associate Veterinarian)

Dr. Kathleen Werden joined Countryside Animal Clinic in June, 2008 after graduating from Michigan State. She has a strong interest in internal medicine, and enjoys challenging surgeries & researching complex cases. In her spare time, Dr. Werden likes hiking, alternative music, and her 2 dogs & 2 cats.

Dr. Kenneth Wright at Sterling Animal Hospital

Dr. Kenneth G. Wright (Managing Veterinarian)

Dr. Ken Wright graduated from Ohio State College of Veterinary Medicine in 1979. He worked for a mixed animal practice before acquiring Parkway Veterinary Clinic in 1984. Dr. Wright practiced at Parkway, located in Burke, VA as owner & Chief of Staff until joining Countryside in 1992. Dr. Wright's vision for the clinic is to provide thorough, progressive treatment. He loves the challenge of medicine and views his work as a means of combining a lifelong enjoyment of science, biology, and animals. Dr. Wright is a nature enthusiast, and when he's not in the marsh or by a trout stream, he enjoys spending time with his teenage sons.