Charis L. Wahman, PhD, BCBA-D, is assistant professor of special education at Michigan State University. She also serves as a clinician in early care settings to support young children with social and emotional needs. Charis has conducted research, published articles, and presented on the social and emotional development of young children and families' experiences with suspension and expulsion at national conferences.

Janice K. Lee, PhD, BCBA, is state coordinator for the Nevada Pyramid Model Partnership through the University of Nevada, Reno. In addition to conducting research and publishing articles on the pyramid model, she also provides training, coaching, consultation, and technical assistance on social and emotional skill development to teachers, practitioners, and families to prevent and address challenging behavior.