About the authors Chris Voss is Professor of Manufacturing Policy and Strategy at the University of Warwick. He was previously at the London Business School and Harbridge House Consultants. He has published widely in the field of Productions/Operations Management and is Chairman of the Operations Management Group of Great Britain. He introduced and developed the teaching of Service Operations Management at the London Business School. Colin Armistead is senior lecturer in Operations Management at the European School of Management Studies, Oxford. He was previously at Manchester Polytechnic. He