Nigel Slack is the Professor of Operations Managment and Strategy at Warwick University. Previously he has been Professor of Manufacturing Strategy and Lucas Professor of Manufacturing Systems Engineering at Brunel University, a University Lecturer in Management Studies at Oxford University and Fellow in Operations Management at Templeton College, Oxford.Robert Johnston is a Professor of Operations Management at Warwick Business School and Associate Dean, responsible for finance and resources. He is the founding editor of the International Journal of Service Industry Management and he also serves on the editorial board of the Journal of Operations Management and the International Journal of… Tourism and Hospitality Research.