Tobias Freitag, MD, is a medical researcher and experimental immunologist, trained in gastroenterology and rheumatology. His scientific research is focused on (mucosal) immunology and translational medicine, autoimmune diseases, particularly celiac disease, mechanisms of tolerance to intestinal antigens (food, microbial and self-proteins), regulatory T cell function and rodent disease models. He has been a principal investigator of the Finnish-Swedish NARPANord consortium, investigating pathogenesis of type 1 narcolepsy, and is currently a member of the Academy of Finland Personalized Health-DIGIN Health research consortium, searching for microbial triggers of celiac disease. Starting from 2019, he will contribute as Junior Researcher to the Translational Immunology Research Program at the University of Helsinki, studying therapeutic immune tolerance induction.