Meet Our Faculty

Stephen J. Zaccaro, Ph.D. Eden King, Ph.D.
Jose M. Cortina, Ph.D. Lois E. Tetrick, Ph.D.
Reeshad Dalal, Ph.D. Lauren Kuykendall, Ph.D.
Seth Kaplan, Ph.D.  

Emeritus Faculty

Louis C. Buffardi, Ph.D. Theodore L. Gessner, Ph.D.
Edwin A. Fleishman, Ph.D. Robert W. Holt, Ph.D.


Stephen J. Zaccaro, Ph.D.
Professor, University of Connecticut
Dr. Zaccaro joined the GMU I/O faculty in 1988. His primary teaching areas include social psychology, leadership, group dynamics, and training. His research interests include themes related to leadership, leader development, team effectiveness, and multiteam systems. His research has been published in such journals as American Psychologist, Journal of Applied Psychology, Leadership Quarterly, Academy of Management Review, Human Factors, and Organizational Behavior and Human Decision Processes. He has authored a book titled, The Nature of Executive Leadership: A Conceptual and Empirical Analysis of Success (2001) and co-edited four other books, including his most recent, Multiteam systems: An Organization Form for Dynamic and Complex Environments (2012). He has served as Principal Investigator or Co-Principal Investigator on multiple research grants/contracts in the areas of multiteam systems, team performance, leader-team interfaces, leadership training and development, leader adaptability, executive leadership and executive coaching. He serves on the editorial board of The Leadership Quarterly, and he is an associate editor for Journal of Business and Psychology and Military Psychology. Over the years, Steve has served as a leader development consultant for many organizations in the private, government, and military sectors.

Jose M. Cortina, Ph.D.
Professor, Michigan State University
Jose M. Cortina is a Professor in the I/O Psychology program at George Mason University. Professor Cortina received his Ph.D. in 1994 from Michigan State University. His recent research has involved topics in meta-analysis, structural equation modeling, significance testing, and philosophy of science as well as predictors and outcomes of emotions in the workplace. His work has been published in journals such as the Journal of Applied Psychology, Personnel Psychology, Psychological Bulletin, Organizational Research Methods, and Psychological Methods. He currently serves as Editor of Organizational Research Methods and is a former Associate Editor of the Journal of Applied Psychology. Dr. Cortina was honored by SIOP with the 2001 Ernest J. McCormick Award for Distinguished Early Career Contributions, by the Research Methods Division of the Academy of Management with the 2004 Robert O. McDonald Best Paper Award and by the Organizational Research Methods Editorial Board with the 2012 Best Paper Award. He was also honored by George Mason University with a 2010 Teaching Excellence Award and by SIOP with the 2011 Distinguished Teaching Award. Dr. Cortina will serve as President of SIOP in 2014-15.

Reeshad Dalal, Ph.D.
Department Chair and Associate Professor, University of Illinois at Urbana-Champaign
Dr. Dalal joined GMU in Fall 2007. He received his Ph.D. in Industrial/Organizational Psychology from the University of Illinois at Urbana-Champaign in 2003. Dr. Dalal’s research has been published in outlets such as the Academy of Management Journal, Journal of Applied Psychology, Organizational Behavior and Human Decision Processes, and Journal of Personality and Social Psychology. His research interestes are described at

Seth Kaplan, Ph.D.
Director of I/O Psychology and Associate Professor, Tulane University
Dr. Kaplan joined the GMU IO faculty in Fall 2006 after receiving his Ph.D. in IO Psychology from Tulane University. Dr. Kaplan’s teaching and research focus on the subjective experience of work and on ways to improve that experience. Specific topics of interest include: affect and emotion, job attitudes, job stress, work-related meaning, workplace safety, and personality and individual differences. In addition, Seth also does work on team performance in non-routine and crisis-like situations. He studies teams in high reliability contexts such as aviation crews, nuclear power plant teams, trauma teams, and mine rescue teams. He also has interests in psychometric and statistical issues and in telework.

Eden King, Ph.D.
Associate Professor, Rice University
Dr. King joined the GMU IO faculty in Fall 2006 after receiving her Ph.D. in Industrial/Organizational Psychology from Rice University. Eden is pursuing a program of research that seeks to guide the equitable and effective management of diverse organizations. Her research integrates organizational and social psychological theories in conceptualizing social stigma in the context of the contemporary American workplace. Her research interests also include issues related to the work-family interface, emotions, and teams in organizations. Eden's commitment to psychological research is matched by her dedication to teaching and mentorship.

Lois E. Tetrick , Ph.D.
Professor, Georgia Institute of Technology
Dr. Tetrick is a University Professor in the Industrial and Organizational Psychology Program at George Mason University. She is a former president of the Society for Industrial and Organizational Psychology and a founding member of the Society for Occupational Health Psychology. Dr. Tetrick is a fellow of the European Academy of Occupational Health Psychology, the American Psychological Association, the Society for Industrial and Organizational Psychology and the Association for Psychological Science. She is a past editor of the Journal of Occupational Health Psychology, has served as Associate Editor of the Journal of Applied Psychologyand is currently the editor of theJournal of Managerial Psychology. She has edited several  books including The employment relationship: Examining psychological and contextual perspectives with Jackie Coyle-Shapiro, Lynn Shore, and Susan Taylor; The Employee-Organization Relations: Applications for the 21st Century with Lynn Shore and Jackie Coyle-Shapiro; the Handbook of Occupational Health Psychology (1st and 2nd editions) with James C. Quick; Health and Safety in Organizations with David Hofmann; and Research Methods in Occupational Health Psychology: Measurement, Design and Data Analysis with Bob Sinclair and Mo Wang.In addition, she has published numerous chapters and journal articles on topics related to her research interests in occupational health and safety, occupational stress, the work-family interface, psychological contracts, social exchange theory and reciprocity, organizational commitment, and organizational change and development.

Lauren Kuykendall, Ph.D.
Assistant Professor, Purdue University
Dr. Kuykendall joined the GMU faculty in Fall 2015 after receiving her Ph.D. in Industrial-Organizational Psychology from Purdue University. Her research focuses on understanding the activities and malleable characteristics that promote worker well-being. The primary focus of her current research is understanding when and how leisure activities promote worker well-being. She also works on projects related to gender and well-being, worker health, work-life issues, measuring emotions, positive worker characteristics, and work stress and stress management.


Louis C. Buffardi , Ph.D.
Associate Professor Emeritus, Kansas State University
Employee attitudes, quality of work life organizational surveys, work and family issues, human error.

Edwin A. Fleishman, Ph.D.
Distinguished University Professor Emeritus, Ohio State University; University of Edinburgh (Honorary Doctor of Science)

Industrial-organizational and human factors psychology, taxonomies, human performance.

Theodore L. Gessner, Ph.D.
Associate Professor Emeritus, University of Maryland

Sense of humor, human destructiveness, survey research.

Robert W. Holt, Ph.D.
Associate Professor Emeritus, University of Illinois

Artificial intelligence, group processes, social development.