Michael R. Lappin, DVM, PhD, DACVIM, graduated from Oklahoma State University in 1981 and completed a rotating internship in small animal medicine and surgery at the University of Georgia. After two years in a small animal practice in Los Angeles, he returned to the University of Georgia where he completed a small animal internal medicine residency and a PhD in parasitology. He was board-certified by the American College of Veterinary Internal Medicine in 1987. He is currently Professor of Small Animal Internal Medicine at the College of Veterinary Medicine and Biomedical Sciences at Colorado State University. Dr Lappin studies feline infectious and immune-mediated diseases and has written over 200 primary research manuscripts and book chapters.