John Ellis is a Diplomate of the American College of Veterinary Pathologists and the American College of Veterinary Microbiology (Immunology, Virology). Since 1992, he has been in the Department of Veterinary Microbiology at the Western College of Veterinary Medicine, University of Saskatchewan, Canada, where he teaches virology and immunology. His substantial publication record encompasses more than 250 peer-reviewed articles, and he was the number 2 most cited author in the veterinary literature from 1995-2005. John further authored textbook chapters and has given over 300 invited lectures in various scientific professional forums. In addition to his work on bovine immunology, he has conducted primary research on a variety of infectious diseases in sheep, dogs, and pigs. Recently, John was named the Distinguished Veterinary Microbiologist for 2024 by the American College of Veterinary Microbiology. Victor Cortese graduated from Michigan State University and is the owner of Cortese Veterinary Consulting LLC, working with veterinarians and cattle producers around the world. He has published extensively on viral infections, immunology, neonatal immunology, and young dairy calf management, with several textbook chapters and guest lectures at veterinary and university meetings. He received his diplomat status to American Board of Veterinary Practitioners (Dairy Practice Specialty), and the Bovine Veterinarian Magazine selected Dr. Cortese as one of the twenty most influential cattle veterinarians in the United States.