David Greenwood graduated from Cambridge University and his postgraduate qualifications include an MSc in Construction Management from Herriot-Watt University and a PhD from Reading University. He was a Fellow of the Chartered Institute of Building and a board member of Constructing Excellence North East from 2003 to 2007. David is currently Emeritus Professor at Northumbria University, UK, where he has taught many aspects of Construction Management to students of all the Built Environment disciplines and at levels from HNC to higher degrees. Before entering academia, he worked for some 10 years as a Site Engineer and Senior Estimator in the construction industry. He has authored over 170 publications; has held research funding from the European Commission, EPSRC, AHRC, and UK and international government agencies; and has carried out training and consultancy work for industrial and professional organisations in the UK, continental Europe, the Far East, and the Middle East. He is on the review and/or editorial panels of 14 academic journals, is a member of the EPSRC Peer Review College, and is a former Chairman of the Association of Researchers in Construction Management (ARCOM). He was formerly a director of BIM Academy (Enterprises) Ltd, a university spin-out company specialising in building information modelling.