Xiaolun Sun is an Associate Professor at the Center of Excellence for Poultry Science, the University of Arkansas. He received his BS in Poultry Science from Southern China Agricultural University and earned his MS and Ph.D. in Poultry Science from Virginia Polytech Inst and St University. He was also a Postdoctoral Research Associate at the Department of Medicine, CGIBD, the University of North Carolina at Chapel Hill (2008–2013), served as a Research Assistant Professor at the Department of Medicine, University of Florida (2013–2016), and then joined the University of Arkansas as an Assistant Professor in 2016. He is a member of the Poultry Science Association and the American Society for Microbiology. His research interest is to study the complex interplay between bacterial pathogens, microbiome and host immune system in gastrointestinal tract of chickens and mice.