Miguel Ribeiro Author & Editor

Stefan Zehetmeier is an associate professor at University of Klagenfurt, Austria. He holds a PhD in education and a habilitation in teacher education. His research interests include mathematics teacher education, school development and action research.

Despina Potari is a professor of mathematics education at the National and Kapodostrian University of Athens, Greece, and currently a visiting professor at Linnaeus University in Sweden. Her research interest is mainly on the development of mathematics teaching and teacher development.

Miguel Ribeiro is an associate professor at State University of Campinas – UNICAMP, Brazil. His research interests include teachers’ knowledge and practices, teacher professional development and tasks for teacher education.