Dr. Knaack graduated from The Ohio State University College of Veterinary Medicine, where he also completed his residency in internal medicine. Before moving to Connecticut, Dr. Knaack was medical director at Southshore Veterinary Hospital in South Weymouth, Massachusetts. As a Diplomat of the American College of Veterinary Internal Medicine, he is one of only a few practicing boarded internists in Connecticut. He is also certified in veterinary acupuncture.