John Anderson (Emeritus Professor, University of Edinburgh, UK)
Michael Bilynsky (Lviv National University, Ukraine)
Marina Bondi (University of Modena and Reggio Emilia, Italy)
Andreea Calude (University of Waikato, New Zealand)
Fran Colman (Emerita Reader, University of Edinburgh, UK)
Hans-Juergen Diller (University of Bochum, Germany)
Małgorzata Fabiszak (Adam Mickiewicz University, Poland)
Olga Fischer (Emerita Professor, University of Amsterdam, The Netherlands)
Jacek Fisiak  (Emeritus Professor, Adam Mickiewicz University, Poland)
Elena Gomez-Parra (University of Cordoba, Spain)
Giovanni Iamartino (University of Milan, Italy)
Robert Kiełtyka (University of Rzeszów, Poland)
Juhani Klemola (University of Tampere, Finland)
Grzegorz A. Kleparski (University of Rzeszów, Poland)
Marcin Krygier (Adam Mickiewicz University, Poland)
Lilo Moessner (University of Aachen, Germany)
Rafał Molencki (University of Silesia, Poland)
Heinrich Ramisch (University of Bamberg, Germany)
Piotr Ruszkiewicz (Emeritus Professor, Pedagogical University of Cracow, Poland)
Farzad Sharifian (Monash University, Australia)
Aleksander Szwedek (Emeritus Professor, Adam Mickiewicz University, Poland)
Irma Taavitsainen (University of Helsinki, Finland)
Akinobu Tani (Hyogo University of Teacher Education, Japan)
Jerzy Wełna (University of Warsaw, Poland)