Stewart I. Donaldson is Professor and Chair of Psychology, Director of the Institute of Organizational and Program Evaluation Research, and Dean of the School of Behavioral and Organizational Sciences at Claremont Graduate University. Dean Donaldson continues to develop and lead one of the most extensive and rigorous graduate programs specializing in applied psychology and evaluation science. He has taught numerous university courses, professional development workshops, and has mentored and coached more than 100 graduate students and working professionals during the past two decades. Dr. Donaldson has also provided organizational consulting, applied research, or program evaluation services to more than 100 different organizations. He has been Principal Investigator on more than 30 extramural grants and contracts to support research, evaluations, scholarship, and graduate students at Claremont Graduate University. Dr. Donaldson serves on the Editorial Boards of the American Journal of Evaluation, New Directions for Evaluation, and the Journal of Multidisciplinary Evaluation; is co-founder and leads the Southern California Evaluation Association; and served as Co-Chair of the Theory-Driven Evaluation and Program Theory Topical Interest Group of the American Evaluation Association for eight years. He has authored or co-authored more than 200 evaluation reports, scientific journal articles, and chapters. His recent books include What Counts as Credible Evidence in Applied Research and Evaluation Practice? (2008; with Christina. A. Christie and Melvin M. Mark); Program Theory-Driven Evaluation Science: Strategies and Applications (2007); Applied Psychology: New Frontiers and Rewarding Careers (2006; with Dale E. Berger and Kathy Pezdek); Evaluating Social Programs and Problems: Visions for the New Millennium (2003; with Michael Scriven); Social Psychology and Evaluation (forthcoming; with Melvin M. Mark and Bernadette Campbell); and Applied Positive Psychology: Improving Everyday Life, Schools, Work, Health, and Society (forthcoming; with Mihaly Csikszentmihalyi and Jeanne Nakamura). Dr. Donaldson has been honored with Early Career Achievement Awards from the Western Psychological Association and the American Evaluation Association.