Dr Russell Grigg is Executive Head of Research at the Wales Centre for Equity in Education. He has written widely in the field of primary education including outstanding teaching and has more than twenty-five years' experience in various roles as teacher, researched, inspector and consultant. Helen Lewis is Programme Director for PGCE Primary at the University of Wales Trinity Saint David. She has extensive experience as a primary school teacher, numeracy consultant, school inspector and senior leader. She has a particular interest in teacher education, children's learning and the development of thinking.

Dr Russell Grigg is Executive Head of Research at the Wales Centre for Equity in Education. He has written widely in the field of primary education including outstanding teaching and has more than twenty-five years' experience in various roles as teacher, researched, inspector and consultant. Helen Lewis is Programme Director for PGCE Primary at the University of Wales Trinity Saint David. She has extensive experience as a primary school teacher, numeracy consultant, school inspector and senior leader. She has a particular interest in teacher education, children's learning and the development of thinking.

Dr Russell Grigg is Executive Head of Research at the Wales Centre for Equity in Education. He has written widely in the field of primary education including outstanding teaching and has more than twenty-five years' experience in various roles as teacher, researched, inspector and consultant. Helen Lewis is Programme Director for PGCE Primary at the University of Wales Trinity Saint David. She has extensive experience as a primary school teacher, numeracy consultant, school inspector and senior leader. She has a particular interest in teacher education, children's learning and the development of thinking.