Dr Sharmilee Gnanapavan is a Consultant Neurologist at Barts Health and Princess Alexandra Hospital NHS Trust, and an Honorary Senior Clinical Lecturer at Queen Mary University of London. She specialises in multiple sclerosis and neurological biomarkers, leads the CSF neurofilament service at the Blizard Institute, and co-chairs a consortium developing guidelines for neurofilament use in MS. Her research focuses on body fluid biomarkers, spanning basic science, clinical translation, and trials, and she also serves on the UK Brain Bank advisory board and as an expert for the UK MS Society.