Regular Lectures (RL)
Merrilyn Goos The University of Queensland, Australia
Berinderjeet Kaur National Institute of Education, Singapore    
Masataka Koyama Hiroshima University, Japan
Yaya S. Kusumah Indonesia University of Education, Indonesia
Zsolt Lavicza Johannes Kepler University, Austria
Masakazu Okazaki Okayama University, Japan
Luis Radford Laurentian University, Canada
Anita Rampal University of Delhi, India
Bethany Rittle-Johnson Vanderbilt University, United States
Allan Tarp MATHeCADEMY.net, Denmark
Hans-Georg Weigand University of Wurzburg, German
Chao-Jung Wu National Taiwan Normal University, Taiwan