Rachel Marks has been a primary school teacher and mathematics coordinator in both inner-city and rural schools, teaching pupils across the primary age-range. Her research interests include equity issues and the social context of schooling and she has a PhD in Mathematics Education in which she explored the implications of ability practices in primary school mathematics. She now works as a Senior Lecturer in Mathematics Education at the University of Brighton where she teaches across a range of Initial Teacher Education and mathematics specialist courses and shares her research findings with teachers and educators across a variety of forums.

Ian Menter (AcSS) is Professor of Teacher Education and Director of Professional Programmes in the Department of Education at the University of Oxford. He previously worked at the Universities of Glasgow, the West of Scotland, London Metropolitan, the West of England and Gloucestershire. Before that he was a primary school teacher in Bristol, England. His most recent publications include A Literature Review on Teacher Education for the 21st Century (Scottish Government) and A Guide to Practitioner Research in Education (Sage). His work has also been published in many academic journals.