Professor Alf Coles

Alf Coles is a professor of Mathematics Education and Deputy Head of School at the University of Bristol's School of Education. Alf worked in secondary schools for 15 years as a maths teacher, head of maths and assistant headteacher. Alf has co-authored or authored three academic books on mathematics education. Follow Alf on Twitter @AlfColes. Nathalie Sinclair is a professor in the Faculty of Education at Simon Fraser University in Canada. She holds the Canada Research Chair in Tangible Mathematics Learning at Simon Fraser and was previously a middle school teacher of mathematics and French. In March 217, she was named Canada's Mathematics Ambassador by Partners in Research for her contributions to the field of mathematics. In 219, she was awarded the Svend Pedersen Lecture Award