Joe Reichle, PhD, is Professor of Speech–Language–Hearing Sciences and Research Director of the Leadership and Education in Neurodevelopmental Disabilities Training Program at the University of Minnesota. A Fellow of the American Speech–Language–Hearing Association, Dr. Reichle has expertise in augmentative communication, communication intervention for persons with significant developmental disabilities, and positive approaches to meet the needs of persons who engage in challenging behavior. He has published over 140 articles, chapters, and books, and served as an associate editor of the Journal of Speech, Language, and Hearing Research and Language, Speech, and Hearing Services in Schools. He has extensive experience delivering technical assistance to public schools and group homes.

David P. Wacker, PhD, is Professor Emeritus of Pediatric Psychology at The University of Iowa, where he directed biobehavioral outpatient services for children and adults with developmental disabilities who display severe problem behavior, such as self-injury. A Fellow of the Association for Behavior Analysis International and the American Psychological Association, Dr. Wacker is a past editor of the Journal of Applied Behavior Analysis. His work has focused on training parents to implement functional communication training (FCT) in their homes or in community settings. His current research investigates how to best implement functional analysis and FCT in homes via the use of telehealth.