The team

Pearson UK, along with their academic partner on this project UCL have been commissioned to carry out the TIMSS 2027 study in Wales on behalf of the Welsh Government and are the National Study Centre (NSC) for Wales.

Dr Grace Grima

Dr Grace Grima

National Research Co-ordinator for TIMSS 2027
Director, International Large-Scale Assessments, Pearson Assessment Services

Role: Grace leads the International Large-Scale Assessment team at Pearson. She has overall responsibility for the delivery of TIMSS 2027 in Wales, ensuring that all TIMSS tasks are carried out on schedule and in accordance with the specified international standards. She will also work collaboratively with the team from UCL, responsible for analysis, reporting and dissemination of results.

Background: In her current role at Pearson, Grace leads on other international large-scaleassessment studies in her role as NRC (National Research Coordinator) for TIMSS 2027 in Wales, Northern Ireland and Scotland and TIMSS 2023 in England, plus as NRC for PIRLS in England, Wales, Scotland and Northern Ireland. She is also the NPM (National Project Manager) for PISA 2025 in Wales, England and Northern Ireland. In her previous role as Director of Research in Pearson UK (2014 - 2023) she was strategically responsible for research on academic and vocational qualifications and learning services for schools, as well as the implementation of the efficacy agenda in the UK. Grace started her career as a teacher, teacher trainer and principal research officer at the examination board of the University of Malta. She completed her post-graduate studies at the University of Otago in New Zealand, as a Commonwealth student, and worked on the National Educational Monitoring Project (NEMP) at the Educational Assessment Research Unit for her doctorate. Grace was Director- General for Quality and Standards at the Ministry of Education in Malta (2007-2013) before moving to Pearson in the UK.

Sarah Turner

Sarah Turner

Adaptation and Translation Manager and Scoring Manager
Advanced Specialist, Pearson

Role: Sarah coordinates the translation and adaptation of international assessment instruments and manages scoring of pupil responses.

Background: Sarah is a PRINCE2 qualified project manager with over 20 years’ experience within Pearson in the end-to-end operational delivery of a range of high-stakes qualifications and assessment instruments. This includes four years leading a team in delivering the accurate marking of over 250,000 GCSE Religious Studies examination scripts and managing a team of 1000 markers each summer examination series. Sarah managed adaptations and scoring for PIRLS 2016, 2021 and 2026, and TIMSS 2023, and managed adaptations, translations and scoring for PISA 2025 and will manage these activities for TIMSS 2027.

Sarah Hazem

Sarah Hazem

Project Manager
Specialist, Pearson

Role: Sarah is responsible for the management of the contract deliverables, maintaining project documentation, managing risks, and ensuring compliance with quality management processes.

Background: Sarah is PRINCE2 Practitioner with over eight years’ experience in project management. Sarah is currently the project manager for PIRLS 2026 and TIMSS 2027 in Wales. Prior to this role, Sarah was responsible for a national educational program for Egypt’s Ministry of Education from 2018 until 2022.

Mish Mohan

Mish Mohan

National Data and Sampling Manager
Advanced Specialist, Pearson

Role: Mish oversees activities relating to sampling, data handling and assessment delivery systems.

Background: Mish is currently the Data and Sampling Manager for TIMSS 2027 in Wales, Northern Ireland and Scotland, PIRLS 2026 in Wales, Northern Ireland, England and Scotland and for PISA 2025 in Wales, England and Northern Ireland. Mish has over 17 years’ experience within Pearson, in Customer Service, Operations and IT development roles. He was Data Manager for PIRLS 2016 and TIMSS 2019, delivering a successful sampling strategy, sampling frame and data submission.

Alistair Hooper

Alistair Hooper

School Support Manager and Deputy Data Manager
Advanced Specialist, Pearson

Role: Alistair coordinates activities relating to recruitment and retention of schools and will supports with data management.

Background: Alistair has been working for Pearson for over 12 years. He was Data Manager for PIRLS 2021, and School Recruitment Manager for TIMSS 2023, PISA 2025 and PIRLS 2026 in Wales, England, Scotland and Northern Ireland and is currently doing the same role for TIMSS 2027 in Wales, Scotland and Northern Ireland. He has worked in many different aspects of international studies including sampling, data management, translation, adaptation, school recruitment and retention, School Coordinator and Test Administrator recruitment as well as training, and coding.

Lucian Lanteri

Lucian Lanteri

Test Administrator Manager
Advanced Specialist, Pearson

Role: Lucian coordinates recruitment, training and management of Test Administrators.

Background: Lucian is a PRINCE2 practitioner qualified project manager with over 20 years’ experience within Pearson, in the delivery and assessment of high-stakes qualifications, including as Head of Assessment for GCE and GCSE humanities subjects at Pearson for nine years. Lucian has experience of recruitment, training and management of Test Administrators for PISA 2022, PISA 2025, TIMSS 2023 and PIRLS 2026 in Wales, England, Scotland and Northern Ireland.

Stacey Wilson

Stacey Wilson

Delivery Support Manager
Specialist, Pearson

Role: Stacey coordinates school participation and retention activities, ensuring schools remain engaged and well supported throughout the lifecycle of each study.

Background: Stacey brings over a decade of experience in education and assessment delivery. Drawing on her previous experience as an Examinations Officer, she combines a deep understanding of the education sector with expertise in stakeholder engagement and service improvement. More recently, she has played a key role in the delivery of PIRLS 2026 and TIMSS 2027, leading strategic school engagement initiatives that strengthen participation, enhance the school experience and foster lasting partnerships that support successful educational research outcomes.

Beth Ryan

Beth Ryan

Delivery Support Manager
Specialist, Pearson

Role: Beth coordinates school participation and retention activities, ensuring schools remain engaged and well supported throughout the lifecycle of each study.

Background: Beth joined Pearson in 2021, initially overseeing and driving quality strategy across the Assessment and Qualifications Division. Since 2023, she has played a key role in the delivery of multiple international large-scale assessments, including TIMSS 2023, PISA 2025, PIRLS 2026 and TIMSS 2027. Drawing on her expertise in project delivery, stakeholder engagement and process improvement, Beth has developed resources and support materials for schools, helping to enhance the participant experience and ensure the successful delivery of these important studies.

Chris Killey

Chris Killey

Delivery Support Manager
Specialist, Service Delivery Management, Pearson

Role: Chris supports the team with school recruitment and exam delivery

Background: After a career in teaching Chris joined Pearson as an Assessment Leader within Pearson’s International Assessment Team and later joining the International Large Scale Assessment team as a delivery support manager. He has used his teaching experience to play a key role in the School Support team for the recent PISA, PIRLS and TIMSS Studies.

Catherine Williams

Catherine Williams

Delivery Support Manager
Specialist, Service Delivery Management

Role: Catherine assists in the recruitment, training and management of Test Administrators

Background: After more than 20 years as a secondary school teacher, Catherine joined Pearson to work as an Assessment Leader within Pearson’s International Modern Foreign Languages Assessment Team. She joined the International Large Scale Assessment team early in 2025, initially working on supporting schools for PISA 2025 in Wales, Northern Ireland and England. Catherine now assists in the recruitment, training and management of Test Administrators.

Marta Czajkowska

Marta Czajkowska

Delivery Support Manager
Advanced Specialist, Pearson

Role: Marta supports schools and stakeholders throughout the school recruitment process, including contacts with governments and Test Administrators. Marta will also support the data managements process.

Background: In the International Large Scale Assessment team, Marta supported school recruitment and coding/scoring of the PISA 2025 Main Study in England, Wales and Northern Ireland; TIMSS 2027 Field Trial in Scotland, Northern Ireland and Wales; and PIRLS Main Study in England, Northern Ireland, Scotland and Wales. Previously, Marta redeveloped international and home qualifications at Pearson and other examination boards.

Adrian Brown

Professor Jennie Golding

Professor of mathematics policy and practice

Role: Jennie will be Principal Investigator (PI) for TIMSS 2027 Wales, leading all aspects of analysis, reporting and dissemination.

Background: Jennie’s research is focused on the mathematics education policy-practice interface, centralising teacher and learner voices and drawing on her considerable teaching experience with learners aged 5-18 and beyond. She has wide influence in national and international education policy development, aiming to catalyse evidence-based mathematics education policy that supports all young people to thrive mathematically. She serves in several national and international education fora and is former President of the UK Mathematical Association; her international work in mathematics, teacher education and doctoral supervision has received several awards. Jennie has contributed to multiple international large-scale studies, including several iterations of each of TIMSS and PISA, for example leading the analysis and reporting of TIMSS 2023 for England.

Jon Wood

Dr Rachel Marks

UCL Associate Professor of mathematics UCL Institute of Education

Role: Rachel will be Co-PI for TIMSS 2027 Wales, supporting all leadership of analysis, reporting and dissemination and acting as primary and mathematics education expert.

Background: Previously a primary school teacher in both inner-city and rural schools, Rachel moved into Initial Teacher Education in 2013, and has subsequently developed a strong research portfolio in primary mathematics (and beyond), joining UCL in 2024. She leads the IOE MA in Mathematics Education. Rachel has extensive experience of conducting research across mathematics education, using both quantitative and qualitative approaches and conducting large-scale literature reviews. She was joint Principal Investigator for the Education Endowment Foundation Funded project "Effective approaches to teaching mathematics in Key Stages 3 and 4: A systematic review and meta-analysis".

Simon Abrams

Dr Hettie Burn

Research Fellow in UCL Institute of Education’s Centre for Teacher and Teaching Research

Role: Hettie will lead on all aspects of data analysis and representation.

Background: Hettie is an expert in quantitative methodologies for education research including RCTs and quasi-experimental approaches. After completing her PhD in Economics in June 2025, Hettie has contributed to or led the impact analyses for the Education Endowment Foundation funded “Student Grouping Study” as well as the Youth Endowment Fund funded evaluation of “Grassroots: Evaluation of an anti-conflict intervention by cluster randomised controlled trial”. She is experienced in using administrative and survey data to explore the drivers of inequalities in outcomes for children and young people, including research on teacher grading biases, early years pedagogies, and school suspensions and absences. With an academic background at Oxford and Harvard, Hettie taught secondary school maths in England and Wales for five years, and now delivers policy and economics training to UK government departments alongside her academic work.

Adrian Brown

Christina Swensson

UCL Institute of Education Associate

Role: Christina will project manage the analysis, reporting and dissemination stages of TIMSS 2027 Wales, contributing also to writing.

Background: Christina Swensson is an experienced analyst with an academic background in economics and twenty five years’ experience working in education research and analysis. She has considerable experience in effective organisation and management of project teams. She also brings expertise in communication of complex research findings and analysis to policy makers, and the management and delivery of user-friendly and accessible analytical reports that draw together contributions from statisticians, social researchers and economists. Christina has experience in managing and delivering research reports for large-scale longitudinal studies, having previously worked on TIMSS2015, TIMSS2019 and TIMSS2023 for England in similar roles.

Jon Wood

Dr Iain Barnes

UCL Institute of Education Associate

Role: Lead report writer

Background: Iain has extensive experience of educational research and writing at a national level. Between his two primary headships, he worked in the National College for School Leadership’s research and policy group, in which role he was engaged with a wide range of national school leadership research projects. He has substantial experience in qualitative research in schools through commissioned projects, many of them at a national level. Iain also has experience of quantitative analysis and national report writing as a co-author of the TIMSS national reports for England in 2015, 2019 and 2023, supporting the breadth of associated writing and analysis.

TIMSS support

We are here to support schools and pupils with their participation in TIMSS.

If you have any questions contact us from Monday to Friday between 8am and 4pm on 0207 010 2023 or any time via email at TIMSSCymru@pearson.com

Email TIMSS Cymru

Welsh Government logo
Pearson logo
UCL logo
IEA logo
TIMSS 2027 logo