Guangjun Chang, Ph.D., is Deputy Dean, Associate Professor, and Master’s Supervisor at the College of Veterinary Medicine, Nanjing Agricultural University. His research focuses on the diagnosis, prevention, and control of clinical diseases in dairy cows. He also serves as Deputy Secretary-General of the Cattle and Sheep Diseases Branch of the Chinese Veterinary Medical Association, Council Member of the National Dairy Innovation Alliance, and Council Member of the Veterinary Surgery Branch of the Chinese Association of Animal Science and Veterinary Medicine. He has presided over 15 research projects, including a Young Scientists Fund project of the National Natural Science Foundation of China and a sub-project of the National Key R&D Program, and has participated in more than 10 national-level projects. He has published over 20 SCI papers as first or corresponding author. His honors include the First Prize of the Shennong China Agricultural Science and Technology Award and the Jiangsu Provincial Advanced Individual Award for the “Culture, Science and Technology, and Health Services to Rural Areas” Program.