Dr Paul Martin CBE is a security practitioner with more than 30 years’ experience in the UK national security arena, where he held several senior positions. He is former head of the UK Centre for the Protection of National Infrastructure (CPNI, now NPSA) and former Director of Security for the UK Parliament. Currently, he is Professor of Practice in Coventry University’s London-based Protective Security Lab, a Distinguished Fellow of the Royal United Services Institute (RUSI), a member of the UK Police Science Council, an honorary fellow of Imperial College London, and an independent adviser to various UK government entities. He is author of The Rules of Security (2019) and Insider Risk and Personnel Security (2024).