Belle Wallace was Co-Director of the Curriculum Development Unit (University of Natal, SA) with the double brief for developing Assessment Strategies and Curriculum Extension for very able, disadvantaged learners, and training Curriculum Planners. Belle has served on the Executive Committee of the World Council for Gifted and Talented Children; was editor of Gifted Education International from 1981 to 2016 (SAGE Publishers); and is past President of NACE (National Association for Able Children in Education). She was designer and senior author of 'Language in My World' (Juta Publishers): an English second language series for Grades 1 to 12 which incorporated TASC principles. She has been made a Fellow of the Royal Society for Arts in recognition of her services to education. She is currently Director of TASC International.

Dorothy A. Sisk, Ph.D. is a professor at Lamar University in Beaumont, Texas, and Director of the Gifted Child Center. She is an international consultant focusing on gifted education, leadership and creativity development, and former Director of the U. S. Office of Gifted and Talented. Dr. Sisk was a founder and first President of the American Creativity Association, and founder/ President of the World Council for Gifted and Talented Children, serving as their executive administrator, and editor of Gifted International (1980-1990). She is author and co-author of 13 books and numerous chapters and articles. 

John Senior is a freelance creative, academic, writer, editor, researcher and consultant to both public and private sectors. An able and experienced teacher, lecturer, education manager, and mentor. Founder and Creative Director of Otherwise Ltd. and a busy blogger. He has considerable experience of working with exceptional learners; internationally and throughout the UK. He has published extensively and is a Contributing Editor/Reviewer: Gifted Education International a SAGE journal.