Damien Guillemet is a researcher currently affiliated with Nexira, Rouen, France, with a strong academic and applied research profile in nutrition science and functional ingredients. Trained in life sciences and related biomedical disciplines, his work focuses on the health impacts of non-digestible carbohydrates, prebiotics, immunity modulation, inflammation, gut health, and metabolic responses in humans. He has authored 15 peer-reviewed scientific publications indexed in Scopus, accumulating over 167 citations and an h-index of 6, reflecting consistent scholarly impact. His publication portfolio includes systematic reviews and evidence-based analyses that bridge mechanistic insights with clinical relevance, supporting innovation in food, nutrition, and health sectors. Through extensive international collaboration with more than 100 co-authors, his research contributes to advancing evidence-driven approaches in functional nutrition and public health.