Brona read biological sciences at Oxford University and then spent some time teaching A-level and GCSE biology in Kensington, London. She has since worked as a science editor, which helped to develop her interest in communicating science to the public. In the past five years she has organised a series of science-arts exhibitions and educational projects to promote public awareness of scientific research. She is now head of Public Engagement, Media and Grants at the MRC Clinical Sciences Centre in London.