Mark Troxel, DVM, DACVIM (Neurology), is a neurologist and neurosurgeon at Massachusetts Veterinary Referral Hospital in Woburn, Massachusetts. He earned his DVM from Iowa State University. He then completed a rotating internship at VCA South Shore Animal Hospital, a medicine specialty internship at Garden State Veterinary Specialists, and a neurology residency at University of Pennsylvania. Dr. Troxel has published numerous articles and book chapters. His clinical interests include feline brain tumors, vestibular dysfunction, and neurosurgery.