Professor Jonathan Swann is Professor of Biomolecular Medicine at the University of Southampton and NIHR Southampton Biomedical Research Centre Theme Co-Lead for Nutrition, Lifestyle and Metabolism.

His research focuses on metabolomics, the gut microbiome, and gene-environment interactions, with particular interests in the microbiota-gut-brain axis and the influence of diet and early-life exposures on health across the lifecourse.

He leads a multidisciplinary metabolomics research programme and directs major national and international studies investigating how microbial metabolites influence development, metabolic health, cognition and disease risk.

An internationally recognised leader in microbiome science, he has secured major funding to lead the UK Gut-Immunology-Brain Axis Network+, advancing understanding of how gut health influences brain function, immunity and mental wellbeing.