Prof. Hans-Stefan Siller is a Full Professor for didactics of mathematics at the Universität Würzburg, Germany. He researches topics within the field of mathematical modelling, especially in interdisciplinary teaching and learning settings. His work within mathematical modelling education includes topics related to sustainable development, as well as STEM teaching and learning. He adopts both quantitative and qualitative research methods when investigating effective practices in mathematical modelling within school settings.Prof. Vince Geiger is a Full Professor and Director of the STEM in Education Research Program in the Institute of Learning Science and Teacher Education at Australian Catholic University, Australia. His work is focused on the enabling role of mathematics within the STEM disciplines — driven by an awareness that knowing and using mathematics confidently is key for career prospects and the empowerment of an informed citizenry. He is Editor-in-Chief of Mathematics Education Research Journal. Prof. Geiger is current President of the International Community of Teachers of Mathematical Modelling and Applications (ICTMA). Prof. Gabriele Kaiser is Full Professor of mathematics education at the Faculty of Education, University of Hamburg, Germany. Her research includes mathematical modelling education, teacher education and teacher professional development. Prof. Kaiser is Editor-in-Chief of ZDM – Mathematics Education. She was convenor of the 13th International Congress on Mathematics Education (ICME-13) in 2016 at the University of Hamburg. Prof Kaiser is Past-President of the International Community of Teachers of Mathematical Modelling and Applications (ICTMA).
