Jan Hendrik Roodt Editor

Helen Jeffrey is Principal Lecturer at Otago Polytechnic, Te Pūkenga, New Zealand.

Linda Robertson is Emeritus Associate Professor at Otago Polytechnic, Te Pūkenga, New Zealand.

Jan Hendrik Roodt is Academic Facilitator, Te Pūkenga, New Zealand, and Director of Polar Analytics, Finland.

Susan Ryan is Professor Emerita at University College Cork, Ireland.