Paul has worked in immunology for 45 years and has founded or co-founded eight bioscience businesses since 2002, with Mologic being the most prominent. As Mologic’s chief scientific officer, Paul leads the Centre for Advanced Rapid Diagnostics (CARD), funded by the Bill & Melinda Gates Foundation. Until 2002 he was as a senior scientist at Unilever Research, leading applied immunology, and is one of the inventors of the lateral flow immunoassay.