Marijn is Scientific Affairs Representative and SAP Member at NB1 Health GmbH, a science-driven precision gut health company. She holds a PhD from the University of Zurich, where she investigated mechanisms involved in inflammatory bowel disease and metabolic health. Through her own company, Gut Intelligence Consultancy, she provides scientific guidance on microbiome interventions, pro- and prebiotics, food supplement advice, and immune health, translating gut science into evidence-based health solutions.