Dr. Jun Sun is a tenured Professor of Gastroenterology and Hepatology at the University of Illinois at Chicago College of Medicine. She is an elected fellow of American Gastroenterological Associate (AGA). She is the Chair-elected for the AGA microbiome section.Her research interests are host-microbiome interactions in inflammation and cancer. Her key achievements include 1) characterization of vitamin D receptor regulation of gut microbiome in intestinal homeostasis and inflammation, 2) identification of dysbiosis and intestinal dysfunction in Amyotrophic lateral sclerosis (ALS), 3) characterization of bacteria in regulating intestinal stem cells and leading to cancer, and 4) identification and characterization of the Salmonella protein AvrA in host-bacterial interactions in infection and cancer.Dr. Sun has published over 170 scientific articles in peer-reviewed journals, including Gut, Cell Stem Cells, Nature Genetics, JBC, Autophagy, American Journal of Pathology, & American Journal of Physiology-GI. She is the leading editor of three books, including a recent Nature/Spring book entitled Mechanisms underlying host-microbiome interactions in pathophysiology of human diseases.This book has shown a novel theme and multiple disciplinary topics of microbiome research for broad audience. She serves the editorial board of more than 10 peer-reviewed international scientific journals. She services study sections for the NIH, American Cancer Society, and other national and international research foundations. Her research is supported by the NIH, DOD, and other research awards. DHer research is focused on host-bacterial interactions.