Meet the Team

Justin Crump

Founder and Chief Executive Officer

Justin Crump is the Founder and CEO of Sibylline, which he established in 2010. Based in the UK, Justin leads the strategic direction of the company, drawing on his extensive background in intelligence and security. Justin’s leadership and industry expertise have formed Sibylline into the company into a trusted, expert, and professional partner to an ever-growing range of clients.

Justin’s career began as a front-office investment banker at JP Morgan Chase, but after 9/11, he transitioned to full time military service as a tank commander, with operational experience in Iraq, Kosovo, Afghanistan, and Bosnia. He also served as Aide-de-Camp to the 6th Duke of Westminster during his tenure as Assistant Chief of the Defence Staff. His private security experience include time as the Head of Intelligence at Stirling Assynt and as a Security Intelligence Analyst with UniCredit.  

Justin holds degrees from the University of Durham and King’s College London and is a graduate of the Royal Military Academy Sandhurst and the Joint Services Command and Staff College at Shrivenham. He served as President of the Association of International Risk Intelligence Professionals (AIRIP) from 2021-22 and continues to serve as a Board member. His book, ‘Corporate Security Intelligence and Strategic Decision-making’, published in 2015, is an Amazon Management Science bestseller. Justin is also a prominent defence and security commentator for the BBC and frequently appears on Sky News, Deutsche Welle, and various global print media, including as a columnist for the Sunday Telegraph where Justin continues to highlight his own skills in intelligence analysis. He also regularly leads our high-level presentations to boards of the world’s largest organisations and is a prominent public speaker, drawing on his long background in intelligence, leadership, and global affairs.

In addition to running Sibylline, Justin is a passionate aviator, flying a YAK-52, Scottish Aviation Bulldog, and a DA-42 Twinstar.