Andreas Demetriou is Professor Emeritus of Psychology of the University of Cyprus and the University of Nicosia and currently the President of the Cyprus Academy of Science, Letters, and Arts.

George Spanoudis is Professor of Psychology at the Department of Psychology of the University of Cyprus.

Samuel Greiff is head of research group, principal investigator, and Full Professor of Educational Assessment and Psychology at University of Luxembourg.

Rita Panaoura is Professor in Mathematics Education and Dean of the School of Education and Social Sciences at Frederick University, Cyprus.

Mari-Pauliina Vainikainen is Professor of Learning and Teaching at the Faculty of Education and Culture at Tampere University in Finland.

Smaragda Kazi is Professor of Development Psychology at the Department of Panteion University of Social and Political Sciences, Athens, Greece.

Nikolaos Makris is Professor of Cognitive Psychology at the Department of Primary Education, Democritus University of Thrace, Greece.