Ivan T. Robertson is Professor of Work and Organizational Psychology in the Manchester School of Management, UMIST and Pro-Vice-Chancellor of UMIST. He is a Fellow of the British Academy of Management, the British Psychological Society, and a Chartered Psychologist. Professor Robertson’s career includes several years experience working as an applied psychologist on a wide range of projects for a variety of different organizations. With Professor Cooper he founded Robertson Cooper Ltd (www.robertsoncooper.com), a business psychology firm which offers consultancy advice and products to clients. Professor Robertson’s research and teaching interests focus on individual differences and organizational factors related to human performance. His other publications include 25 books and over 150 scientific articles and conference papers. He is now Managing Director, Robertson Cooper Ltd, Manchester, UK.