Sue Jennings is Professor of Play (European Federation); Distinguished Scholar at the University of Witwatersrand, South Africa; Senior Research Fellow, The Shakespeare Institute, University of Birmingham, UK; and a retired play therapist and dramatherapist. She is the originator of Neuro-Dramatic-Play (NDP) and is a pioneer of dramatherapy around the world.

Clive Holmwood is an associate professor, lecturer, researcher, author and doctoral supervisor in the Department of Therapeutic Arts at the University of Derby, UK. He is a consultant dramatherapist with 25 years post-qualifying experience working in the public and voluntary sectors and in private practice as a director of Creative Solutions Therapy Ltd. He is also an NDP practitioner and associate director of NDP.