Andrew Bond is a UK delegate on the main Eurocode 7 committee (CEN TC250/SC7), Vice-Chairman of the European Technical Committee on Eurocode 7 Implementation, and co-author of the BSI's Extracts from the Structural Eurocodes for Students of Structural Design. He is a director of Geocentrix and Geomantix. Andrew Harris is a director of Geomantix and Senior Lecturer at Kingston University, specializing in consultancy, training, and education in geotechnical engineering. He is a co-author of the BSI's Extracts from the Structural Eurocodes for Students of Structural Design.