Mark Enzer OBE FREng Mark is a keen champion of outcomes-focused systems-thinking, collaborative delivery models, digitalisation, connected digital twins and the circular economy in the built environment. Mark is the Royal Academy of Engineering Visiting Professor in the digitalisation of the built environment at the University of Cambridge, and he is a Visiting Professor in the Department of Civil and Environmental Engineering at Imperial College London. As Strategic Advisor at Mott MacDonald, Mark provides advice to key clients on digitalisation and broader industry transformation. Previously, Mark was the CTO of Mott MacDonald and the Director of the Centre for Digital Built Britain, where he was the Head of the National Digital Twin programme.