Gregory J. Madden, PhD, is a professor of Psychology and Director of the Behavior Analysis program at Utah State University. He has served as the Editor-in-Chief of the APA Handbook of Behavior Analysis and the Journal of the Experimental Analysis of Behavior. He is the co-Editor-in-Chief of the 2nd edition of the APA Handbook of Behavior Analysis (2026). He is an award-winning teacher and scholar and a Fellow of the Association for Behavior Analysis International.

Derek D. Reed, PhD, BCBA-D, is Director of Applied Behavioral Sciences at the Institutes for Behavior Resources, and Adjunct Researcher in the Department of Applied Behavioral Science at the University of Kansas. He has served as an Associate Editor for the Journal of Applied Behavior Analysis, the Journal of the Experimental Analysis of Behavior, Behavior Analysis in Practice, and The Psychological Record. He was previously the Executive Director of the Society for the Quantitative Analyses of Behavior and has published four other co-edited books.