Dr Stephen Grey is an Associate Director of Broadleaf. He has a long career in risk management and has been at the forefront of developments in project risk modelling for thirty years. His recent interests include developing an understanding of the interaction of project complexity with risk. His work spans many sectors including ICT, business continuity, public sector administration, infrastructure and natural resources. His exploration of project complexity is informed by the Cynefin framework and the insights and methods that flow from that.