Paul Cornish was educated at St Andrews, LSE, and Cambridge Universities. He has served in the British Army and the Foreign and Commonwealth Office, and has worked at research institutes including Chatham House, the UK Defence Academy, the Centre for Defence Studies (King's College London), RAND Europe, and the Universities of Cambridge, Bath, and Exeter. His work covers international security, national strategy, arms control, the ethics of armed force, civil-military relations and cyber security. He was Co-Director of the Cyber Security Capacity Building Centre at Oxford University, 2013-18, and Professorial Fellow at the Australian National University, 2017. He is Visiting Professor at LSE IDEAS, London School of Economics.