Nick van der Bijl is a former Regular and Territorial Army soldier, mainly in the Intelligence Corps. He saw active service in Northern Ireland and also the Falklands Campaign with 3rd Commando Brigade. On leaving the army, he has been employed in security management in the defense industry, and then the NHS. He is the author of more than a dozen books, including "Sharing The Secret: A History of the Intelligence Corps 1940-2010." He is a trustee of the Military Intelligence Museum.