Professor Andrew Silke (BSc Hons, AFBPsS, CSci, CPsych, PhD) is Professor of Terrorism, Risk and Resilience at Cranfield University. He has a background in criminology and forensic psychology and has worked both in academia and for government. He is internationally recognised as a leading expert on terrorism and low intensity conflict. He has published extensively on these areas and his most recent books include Historical Perspectives on Terrorism and Organized Crime (2018); and the Routledge Handbook of Terrorism and Counterterrorism (2018). He has worked with a variety of government departments and law enforcement and security agencies. In the United Kingdom these include, the Home Office, the Ministry of Justice, the Ministry of Defence, the UK prison service, and several police forces. Overseas he has worked with the United Nations, the U.S. Department of Justice, Department of Homeland Security, NATO, and the Federal Bureau of Investigation. Professor Silke is a member of the European Commission’s Radicalisation Awareness Network Centre of Excellence (RAN CoE) which works with practitioners to develop state-of-the-art knowledge to prevent and counter radicalisation to violent extremism. He has provided invited briefings on terrorism-related issues to Select Committees of the UK House of Commons and is a member of the Cabinet Office National Risk Assessment Behavioural Science Expert Group.