Robert C. Berg is professor emeritus at the University of North Texas and visiting professor at Southern Methodist University.

Garry L. Landreth is internationally known for his writings and work in promoting the development of child-centered play therapy. He is a regents professor in the Department of Counseling and Higher Education and founder of the Center for Play Therapy at the University of North Texas.

Kevin A. Fall is a professor in the Department of Counseling, Leadership, Adult Education, and School Psychology at Texas State University.