Dr. Rosen is a pediatric gastroenterologist and physician scientist who has been devoted to advancing inflammatory bowel disease (IBD) research and care for 25 years. He is the inaugural Stanford University Endowed Professor for Pediatric IBD and Celiac Disease. He is also Director of the Stanford Medicine Children’s Health Center for IBD and Celiac Disease, which has achieved nationally leading clinical outcomes under his direction. Dr. Rosen’s research expertise crosses mucosal immunology and epithelial biology and clinical and translational investigation. His NIH-funded laboratory has demonstrated the protective role for type 2 cytokines in chronic intestinal inflammation and advanced intestinal organoids as a model to study IBD. His clinical research has demonstrated how proactive therapeutic drug monitoring can be incorporated into clinical practice to optimize ant-TNF therapy treatment response. Dr. Rosen led the multicenter ARCH Study, which demonstrated the importance of intensified anti-TNF drug dosing in pediatric acute severe ulcerative colitis. Presently, he is co-principal investigator for the Crohn's & Colitis Foundation’s Cohort for Pediatric Translational and Clinical Research in IBD (CAPTURE IBD) which will advance precision medicine for children with IBD.