David Rubens is a Chartered Security Professional and has served two terms as a main Board director of The Security Institute. He holds a Doctorate in Security and Risk Management from the University of Portsmouth, writing his thesis on strategic management and critical decision-making in hyper-complex crisis environments. He has produced Government-level research papers and commentates on all aspects of security management – from national-level security sector restructuring right through to post-disaster analysis – and is currently working with some of the major organisations in the world, including the United Nations University European Centre for Peace and Development, the EU BUiLD (Building Universities for Leading in Disaster Resilience) Programme, the IFRC and UN Global Youth Forum, as well as working closely with Government ministries in Ukraine on post-conflict reconstruction. As CEO of Deltar Training, David runs certificated training programmes for strategic risk and crisis management around the world.