Dee C. Ray, PhD, LPC-S, NCC, RPT-S, certified CCPT-T/S, and CPRT-T/S is Distinguished Teaching Professor and Elaine Millikan Mathes Professor in Early Childhood Education in the Department of Counseling and Higher Education at the University of North Texas, where she is also the director of the Center for Play Therapy.

Yumiko Ogawa PhD, LPC, ACS, RPT-S, BC-TMH, certified CCPT-S, and CPRT-S, is Associate Professor in the Department of Counselor Education at New Jersey City University. She provides play therapy trainings in the U.S. and throughout Asia and is one of the founders of the Play Therapy in Asia Summit.

Yi-Ju Cheng, PhD, LPC, NCC, RPT, certified CCPT-S, and CPRT-S, is an assistant professor at Rider University. Her clinical and research interests center on play therapy and diversity in counseling. She is a trainer for the international certification program for Child-Centered Play Therapy and Child-Parent Relationship Therapy.