Colin Reilly is a Lecturer in Linguistics at the University of Stirling.

Feliciano Chimbutane is an Associate Professor in Linguistics at Eduardo Mondlane University.

John Clegg is a freelance education consultant based in the UK.

Casmir Rubagumya is a Professor of Language Education at St John's University of Tanzania.

Elizabeth J. Erling is a Professor of English Language Teaching Research and Methodology at the University of Education Upper Austria and Elise-Richter Senior Postdoctoral Fellow at the University of Vienna.