Dr David Rubens DSyRM, CSyP, FSyI is MD of Deltar Training Services Ltd, and has been a leading member of the UK private security sector since establishing his first consultancy in 1992. He is a Chartered Security Professional (CSyP) and a Board Director of the UK Security Institute. He recently completed his Doctorate in Security and Risk Management at University of Portsmouth, UK, where he is an Associate Lecturer. His thesis was on strategic management and critical decision-making in hyper-complex crisis environments. He has written government-level research papers and reports on all aspects of security management from national-level Security Sector Restructuring through to post-disaster analysis for government agencies in Japan, Russia, Dubai, Nigeria, Liberia and the UK. David currently runs Level 4 Management Award programmes in Advanced Risk and Crisis Management around the world.