Roger Greeno is a well-known author of construction texts. He has extensive practical and consultancy experience in the industry, in addition to lecturing at several colleges of further and higher education, and the University of Portsmouth, UK. He has also examined for City & Guilds, Edexcel, the Chartered Institute of Building and the University of Reading, UK.
Roy Chudley was formerly Senior Lecturer in Building Technology at the Guildford College of Technology, UK. He is an established author of numerous respected construction texts.