Rina Zazkis is a Professor of Mathematics Education at the Faculty of Education and associate member in the Department of Mathematics at the Simon Fraser University, Canada. Her research is in the area of undergraduate mathematics education, with a general focus on mathematical knowledge of teachers, and the ways in which this knowledge is developed, modified, and used in teaching. She holds a position of Tier 1 Canada Research Chair, a prestigious recognition of excellence in research and research training. She serves as editor-in-chief of the Journal of Mathematical Behaviour.