Justin Crump is an intelligence, security and defense expert with seventeen years' service in the British Armed Forces and government, including operational experience in the Balkans, Iraq and Afghanistan. His corporate career saw him work as first as an investment banker and then as a director of a private intelligence firm. This combined experience eventually led to him founding his own successful analytical company, Sibylline Ltd, in 2010. He is a recognized commentator on world affairs, particularly regarding Islamist terrorism and the underlying theology, and is regularly consulted by international broadcast media. In demand as a speaker at conferences and events worldwide, he is also an expert on the design and delivery of training on emerging security and intelligence topics.