Editorial board

Editor-in-Chief:

Prof. Dr. Stanislaw Schukajlow 
University of Münster
Department of Mathematics Education and Computer Science Education
Germany

Associate Editors:

Prof. Dr. Gabriele Kaiser, University of Hamburg, Faculty of Education, Didactics of Mathematics, Germany and Nord University, Bodø, Norway
Prof. Dr. Roza Leikin, Faculty of Education, University of Haifa, Israel

Former Associate Editors:

Prof. Dr. Marcelo C. Borba, São Paulo State University, UNESP, Brazil
Prof. Dr. Berinderjeet Kaur, Nanyang Technological University, National Institute of Education, Singapore

Editorial Board:

Prof. Dr. Marcelo C. Borba, São Paulo State University, UNESP, Brazil
Prof. Dr. Jinfa Cai, University of Delaware, USA
Prof. Dr. Guershon Harel, University of California San Diego, Mathematics Department, USA
Prof. Dr. Berinderjeet Kaur, Nanyang Technological University, National Institute of Education, Singapore
Prof. Dr. Frederick Leung, The University of Hong Kong, Faculty of Education, Hong Kong
Prof. Dr. Susanne Prediger, Technical University of Dortmund, Institute for Development and Research in Mathematics Education, Germany
Prof. Dr. Alan Schoenfeld, University of California Berkeley, Graduate School of Education, USA
Prof. Dr. Yoshinori Shimizu, University of Tsukuba, College of Education, Japan
Prof. Dr. Bharath Sriraman, University of Montana, Department of Mathematical Sciences, USA
Prof. Dr. Gloria A. Stillman, Australian Catholic University, Faculty of Education and Arts, Australia

Editorial Assistant:

Mireia Viguer, University of Hamburg, Faculty of Education, Germany