About NRICH: Meet the Team

Dr Ems Lord
NRICH Director

Ems was appointed NRICH Director in 2015. She is also a Research Fellow in the Sciences at Clare Hall College, University of Cambridge, and the current Chair of The Mathematical Association (having previouly been President). Ems is a fellow of The Institute of Mathematics and its Applications and a Founding Fellow of the Chartered College of Teachers as well as being a regular contributor to the All-Party Parliamentary Group for the Teaching Profession and a member of the Joint Mathematical Council. Ems has taught mathematics across the key stages, from Early Years to A Level Further Mathematics, and has worked in a variety of settings including a hospital school. Her previous roles include supporting schools as a Leading Mathematics Teacher, local authority consultant and as a Chartered  Mathematics Teacher. Ems led one of the largest Masters-level Mathematics Specialist Teacher (MaST) programmes and has taught mathematics education on both BEd and PGCE teacher programmes. 

Liz Woodham
Primary Coordinator

Liz was a primary school teacher in north London before joining the NRICH team. Liz's role as Primary Coordinator involves working as part of a team to develop primary-level materials for the website and to run associated teacher professional development. Liz is a member of the joint MA ATM primary expert group.


Charlie GilderdaleCharlie Gilderdale
Secondary Coordinator

Charlie has taught mathematics in three local secondary schools, including a stint as a Head of Department. During the last 30 years he has worked at the University of Cambridge, initially in the Faculty of Education training new secondary mathematics teachers, and more recently as a member of the Millennium Mathematics Project, contributing to the NRICH website and working in schools with students and teachers. His recent work has focussed on problem solving and on creating opportunities for learning mathematics through exploration and discussion. He has developed resources for secondary teachers which aim to enrich the secondary school curriculum and resources for secondary students which challenge them to think mathematically.

Dr Sue GiffordDr Sue Gifford
Early Years Consultant


Sue works with training and practising teachers at the University of Roehampton. Previously a London primary teacher, she researches early years mathematics education and children with mathematics difficulties. She is chair of the British Society for Research into the Learning of Mathematics, is a founding member of the Early Childhood Maths Group as well as being early years advisor for NRICH. Her publications include Teaching mathematics 3 to 5: developing learning in the Foundation Stage and the Nuffield project 'Making Numbers: using manipulatives in the teaching of arithmetic'.  She is currently working with teachers on developing pattern awareness with three to five year olds.

Oscar GillespieOscar Gillespie
Web Application Developer

Oscar joined NRICH in 2018 and builds HTML5 interactives for this website. He worked for Douglas Adams in his first job, spent 16 years in the games industry, worked in solar energy and served as a local politician for a while, and worked in technology for chemistry education, then literature education, before landing very happily in the world of maths. He is particularly interested in accessibility, cellular automata and board games.

Claire Claire Metcalfe
Post-16 Coordinator

Claire joined NRICH in 2016 to run the STEP Support Programme following 2 years of working with Stephen Siklos on a pilot STEP course. Since 2020 she has also been working on NRICH secondary and Post-16 problems.
Before this, Claire spent 15 years teaching secondary maths in East Anglia and the North West, and in a different century she studied Mathematics at Cambridge University.

Dane RossenrodeDane Rossenrode
Website Developer

Dane is our newest member of the team. He's been running his own small website design and development agency for the past few years, though has always wanted to work with a team like MMP. Dane's from beautiful Cape Town, South Africa, and loves playing sports like squash, judo, and climbing. He studied Business Science at the University of Cape Town, and has been in the UK since Autumn 2022. If you ever have a question about websites, he'll be very keen to answer it and chat further.