Dr. Kusterbeck graduated from the College of William & Mary with a B.S. in Chemistry in 1976. He received his Doctor of Veterinary Medicine Degree from the University of Georgia in 1982. Dr. Kusterbeck started as Associate Veterinarian at Ridge Lake Animal Hospital in 1984 and became Hospital Director in 1985.

Dr. Kusterbeck is a member and Past President of the Prince William County Veterinary Medical Association. He is also an active member of the Virginia Veterinary Medical Association, American Veterinary Medical Association, American Animal Hospital Association, American Veterinary Dental Society, and Veterinary Information Network. In 1997-1998, Dr. Kusterbeck served as the President of the District of Columbia Academy of Veterinary Medicine.

Dr. Kusterbeck's professional interests include Dentistry, Exotic Animal Medicine, and Surgery, including Laser Surgery.