Stewart Johnstone is Senior Lecturer in Human Resource Management at Newcastle University Business School and was previously Lecturer in Human Resource Management at Loughborough University. His specialist teaching includes Employment Relations and Human Resource Management courses at undergraduate, postgraduate, and executive levels. A major strand of Stewarts research has been the dynamics of employee voice and participation in both union and non-union firms. In particular, his research has examined organizational attempts to develop collaborative workplace relations in pursuit of mutual gains, and assessed the outcomes of such workplace partnerships for employers, employees, and unions. Peter Ackers is Professor of Industrial Relations and Labour History in the School of Business and Economics at Loughborough University, UK. He studied Politics and Philosophy (PPE, including Sociology) at Lincoln College, Oxford University, followed by an MA in Industrial Relations from Warwick University. His specialist teaching is in International Employment Relations, British Social History and Business Ethics. Peter's intellectual interests centre on the sociological and historical aspects of the employment relationship and how this affects ordinary people and society at large. His work stresses the moderate, constructive character of organized labour, with themes of partnership and pluralism, and challenges Radical and Marxist theories of Industrial Relations.