Julian Ashbourn is a prolific literary author with many popular titles in both the arts and sciences, including poetry and philosophy. He is also an experienced audio engineer and a composer with more than 50 full-scale symphonic works to his credit, in addition to other genres. Julian is also a qualified geoscientist and loves nature and anything within the natural world or connected with the sciences. In the IT field, Julian is an acknowledged expert on biometrics, encryption and infrastructure. He has had a varied career, working all over the world, often troubleshooting systems, from Arabia and Africa to Australia, Russia, Japan and almost every European country. The last 20 years of his career were spent in the aviation industry where he supported projects around a very large IT infrastructure, working on just about every scenario including, of course, PKI.