Dr. Kruidenier has been active in pre-clinical GI research for over 20 years. Prior to joining Prometheus Biosciences, Laurens was VP of Discovery at Second Genome, where he was responsible for a portfolio of microbiome programs. Previously, Laurens held various positions at GlaxoSmithKline and at Takeda Pharmaceuticals, where he was Head of GI Immunology Research. Laurens received his PhD in Experimental Gastroenterology from Leiden University (The Netherlands), after which he continued his training in GI immunology as a post-doctoral fellow at the University of London. Over the years, his research has resulted in multiple publications in top scientific journals, including Gastroenterology, Nature and Nature Chemical Biology.