Dr. Avgeris graduated from the University of Tennessee College of Veterinary Medicine (UTCVM), followed by completion of a post-doctoral fellowship involving coagulation and endocrine studies. She completed a dual internship and clinical instructor position at the Virginia Maryland Regional Veterinary College (Virginia Tech). Dr. Avgeris returned to the University of Tennessee as an emergency clinical associate, followed by a residency in internal medicine. After completion of her residency, she continued to work as a Clinical Instructor in the small animal medicine department, where she participated in several clinical trials formulating diets for specific internal medicine diseases. While at UTCVM, Dr. Avgeris received the Brandy Memorial Award for Outstanding Teacher, as well as the Small Animal Teacher of the Year. She has completed specialty training in the disciplines of cardiology and advanced ultrasonography, as well as ophthalmology.