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 management and organizational behavior. His books have sold more than 12 million copies; have been translated into 20 languages; and have adapted editions for Canada, Australia, South Africa, India, and the Arab World. Dr. Robbins is also the author of the best-selling books, The Truth about Managing People, 4th ed. (Pearson, 2014) and Decide & Conquer, 2nd ed. (Pearson, 2015).

In his "other life," Dr. Robbins participates in masters' track competitions. Since turning 50 in 1993, he's won 23 national sprint championships; 14 world sprint titles; and set numerous US and world age-group records at 60, 100, 200, and 400 meters. In 2005, Dr. Robbins was elected to the USA Masters' Track & Field Hall of Fame. For a full bio, 

Timothy A. Judge is the Joseph A. Alutto Chair in Leadership Effectiveness, and Executive Director of the Fisher Leadership Initiative, Fisher College of Business, The Ohio State University. In the past, Dr. Judge has been a Fellow of the Cambridge Judge Business School, University of Cambridge, and Visiting Professor, Division of Psychology & Language Sciences, University College London. He has held academic positions at the University of Notre Dame, University of Florida, University of Iowa, Cornell University, and Charles University in the Czech Republic. Dr. Judge's primary research interests are in (1) personality, moods, and emotions; (2) job attitudes; (3) leadership; and (4) careers. Dr. Judge has published more than 155 articles in these and other major topics in refereed journals. He is a fellow of several professional societies, including the American Psychological Association, the Academy of Management, and the International Association of Applied Psychology. Among the many professional acknowledgments of his work, Dr. Judge has received the Heneman Career Achievement Award, the Mahoney Doctoral Mentoring Award, and the Scholarly Achievement Award, all from the Human Resources Division of the Academy of Management. In addition, a 2017 study identified him as the most cited out of more than 8,000 scholars in applied psychology. Dr. Judge is a co-author of Essentials of Organizational Behavior with Stephen P. Robbins and Staffing Organizations with John Kammeyer-Mueller. Judge's primary nonwork passion revolves around rock climbing and mountaineering. He has climbed the 3 highest peaks in the United Kingdom and more than half of the highest peaks in the lower 48 states. He and his wife Jill are the parents of 3 children.