Professor Masuo Sueyoshi is a Specially Appointed Professor at the South Kyushu Livestock Veterinary Medicine Center, Joint Faculty of Veterinary Medicine, Kagoshima University, Japan. He received his D.V.M. and Master’s degree in Veterinary Medicine from the University of Miyazaki and earned his Ph.D. in Veterinary Medicine from Hokkaido University. He began his career at Japan’s National Institute of Animal Health, where he conducted research in toxicologic and comparative pathology. He later joined the University of Miyazaki, serving as Professor of Animal Health and Vice Director of the Center for Animal Disease Control. His research focuses on enteric infections in farm animals, livestock disease prevention, and environmental sanitation in animal production facilities. He has extensive expertise in swine health and infectious diseases, including porcine epidemic diarrhea and classical swine fever, and has published widely in veterinary medicine and animal health.