Joel T. Nadler is Senior Consultant at PDRI and an adjunct faculty member at the University of Indiana. He was a formerly at Aon Assessment Solutions and a Professor of I/O psychology at SIUE. Dr. Nadler has taught classes including Industrial/Organizational Psychology, Personnel Psychology, Organizational Development, Employee Selection, Test and Measures, graduate and undergraduate Research Design and Statistics, Social Psychology, Group Dynamics, Organizational Behavior, and Psychology of Gender. ​ Dr. Nadler has in the past actively worked as an independent consultant and as a co-founder of AOA Consulting and has consulted with organizations on areas such as assessment validation, organizational climate and culture, survey development, performance appraisal, program evaluation, needs assessment, organizational change and development, and study design and methodology. Dr. Nadler research interests include gender bias in selection and performance appraisal, sexual harassment, organizational attractiveness, adverse impact (EEO law), and assessing inclusive diversity practices.  Additionally, Dr. Nadler has expertise in advanced measurement, design and statistical techniques. His research has been published in journals such as Industrial Organizational Psychology: *Perspectives on Science and Practice, Sex Roles, Social Issues and Policy Review,  Journal of Applied Social Psychology, American Journal of Evaluation, Journal of Leadership and Organizational Studies.*   Dr. Nadler enjoys cycling, traveling, horseback riding, motorcycling, music, science fiction, and collecting bourbon and scotch when he is not busy consulting and conducting research.