A microbiologist with 25+ years of experience in developing and commercialising microbiota therapies for gut, immune, and brain health. Jelena has led R&D, scientific marketing, and business development at Clasado Biosciences, driving cross-functional collaborations and stakeholder engagement. She holds a degree from the University of London and a PhD in Human Gut Microbiology from the University of Reading, UK, funded by the World Cancer Research Foundation.