Stephen P. Robbins is Professor Emeritus of Management at San Diego State University and the world's best-selling textbook author in the areas of both management and organisational behaviour. His books are used at more than a thousand US colleges and universities; have been translated into 19 languages; and have adapted editions for Canada, Australia, South Africa, India and the Middle East. Dr Robbins is also the author of the best-selling books The Truth about Managing People (4th edn, Pearson, 2014) and Decide & Conquer (2nd edn, Pearson, 2015). Timothy A. Judge is currently the Joseph A. Alutto Chair in Leadership Effectiveness at the Department of Management and Human Resources, Fisher College of Business, The Ohio State University. Dr Judge's primary research interests are in (1) personality, moods and emotions; (2) job attitudes; (3) leadership and influence behaviours; and (4) careers (person-organisation fit, career success).

Timothy has published more than 154 articles on these and other major topics in journals such as the Academy of Management Journal and the Journal of Applied Psychology . Timothy is a co-author of Essentials of Organizational Behavior (14th edn) and Staffing Organizations (8th edn).