Meet the team
Sam Sims
Sam Sims
Chief Executive
Sam is National Numeracy’s Chief Executive, joining to lead the organisation towards a new five-year strategy.
Sam brings a range of experience in helping to scale-up the reach and impact of charities. He was the Chief Operating Officer at social work charity, Frontline, and previously served as Director of Development at Teach First and as an Assistant Director of Research at the Yale University Office of Development.
Sam has held trustee positions at a number of youth development and humanitarian aid charities, and has degrees from University College London and the University of Oxford.
Partnerships Team
Sally Hilton
Sally Hilton
National Relationship Manager
Sally works closely with employers in the UK to put a spotlight on the issue surrounding numeracy in the workplace.
Working across sectors such as the NHS, retail and hospitality, she helps them explore attitudes to numeracy amongst managers and employees and the impact this has both on productivity and career progression.
Cassia Weaver
Cassia Weaver
Partnerships Manager
Cassia manages strategic partnerships with companies and funders, working together to raise numeracy levels and achieve client goals.
For the past 11 years she has focused on skills development and social enterprise growth, and led business development and corporate partnerships in charity settings with Business in the Community, Crisis, EngineeringUK, Lasa and Sustainability Trust.
Programmes Team
Paul Milner
Paul Milner
Programmes Director
Paul has managed the development and launch of the Essentials of Numeracy and the National Numeracy Challenge; he now oversees the projects team working on the different development projects within National Numeracy.
Paul has a degree in Mathematics and over 20 years’ business management experience, including roles in buying, marketing and project management.
Anna Purcell
Anna Purcell
Project Manager
Anna co-ordinates and manages projects for National Numeracy. Her work includes development and delivery projects, work with the education and health sectors, and managing the charity’s trading arm.
She has a degree in English and a master's in children’s literature. Her previous experience encompasses roles in the FE sector, in communications and in online retail of education resources.
Beth Barnes
Beth Barnes
Senior Training Officer
Beth leads on the delivery of our training, such as the 'Becoming a Numeracy Champion' programmes, as well as building our internal expertise on ‘confidence with numbers.’
She has a degree in Ancient History and Archaeology, and has previously worked as a primary school teacher specialising in both Maths and English.
Amy Morris
Amy Morris
Programmes Assistant
Amy supports the Programmes Team in delivering activities and running programmes targeted at improving people’s confidence and skills with numbers in everyday life.
She has worked for the NHS and local government, supporting work across School Leadership and Governance.
External Relations Team
Julia Day
Julia Day
External Relations Director
Julia leads the external relations strategy, team and activities, from communications, media and digital content to campaigns, external affairs and marketing.
A journalist for many years, she has led communications, content, marketing and SEO in education settings, including Birkbeck, University of London and the University of Sussex.
Stevie Robinson
Stevie Robinson
Campaigns Lead
Stevie leads on our campaign strategy, developing and delivering a variety of activity to inspire and engage beneficiaries, such as National Numeracy Day and Number Confidence Week. She works closely with National Numeracy's partners and ambassadors to deliver standout campaigns that seek to build number confidence across the UK and change the way people feel about maths.
Lizzie Green
Lizzie Green
Communications Officer
Lizzie’s role is to provide support to the External Relations team. She works primarily on producing National Numeracy’s case studies and the planning of National Numeracy Day.
She holds a degree in English and a master’s in publishing, and has previously worked as an English and Maths tutor.
Maya Metcalfe
Maya Metcalfe
Creative Design Officer
Maya helps out with delivering marketing and communication campaigns and is involved in raising awareness for National Numeracy Day.
She has a media production degree and experience in production, marketing and advertising.
Maurice Tse-Leon
Maurice Tse-Leon
Digital Engagement Manager
Maurice’s role is focused on engaging working people with National Numeracy’s online learning tools and reaching new audiences through digital channels.
He has a degree in evolutionary biology and a masters in ecology. He has worked on digital communications within the third sector for 9 years, with an emphasis on education.
Puja Mistry
Puja Mistry
Digital Marketing Officer
Puja’s main focus is to maintain and enhance the digital presence of National Numeracy through developing new social media strategies, working on campaigns, interacting with our audience, and assisting with web and email content.
Puja has worked within the third sector for over four years and has a BSc Multimedia Systems degree.
Operations & Impact Team
Emily Kramers
Emily Kramers
Operations and Impact Director
Emily oversees the finance and HR functions as well as general office management, GDPR and governance matters. She also works with the team on charitable funding bids.
She has an editorial background including working in educational publishing.
Camilla Danelli
Camilla Danelli
Operations and Events Co-ordinator
Camilla provides cross-organisational operation and events support, as well as diary management to the Chief Executive. Her role includes working with the External Relations Team in the management of the logistics and activities of the charity's celebrity ambassadors, planning external-facing events, assisting in recruitment and ensuring the smooth running of the office.
She has a master’s degree in public and corporate communication and has worked in communications and marketing for the past ten years.
Paul Foss
Paul Foss
Impact and Evaluation Manager
Paul provides impact and data analysis in all aspects of the organisation, from Challenge statistics, educational projects and numeracy reviews, to surveys, working with external partners and helping to inform marketing strategy.
He leads the charity’s Financial Capability work by developing the strategy, keeping abreast of the latest research in this area and how it relates to National Numeracy’s Plain Numbers campaign.
Paul was a freelance data analyst with over 20 years’ experience in the private sector, and a secondary school maths teacher for 6 years.
Lisa Duffy
Lisa Duffy
Data and Insight Officer
Lisa analyses data across all the activities of the charity and tracks progress against the organisational key results, also responding to queries for data reports from across the team and contributing insights to inform the learning cycle.
She has an Honours degree in Computer Science and experience working commercially as an analyst, as well as a teaching qualification with 5 years’ classroom experience.
Diane Hume
Diane Hume
Financial Controller
Diane oversees all aspects of finance and banking. She is a qualified Certified Accountant with extensive experience in accountancy practices and medium-sized organisations.
For the past 12 years Diane has worked specifically within Charities and Community Interest Companies within the fields of education and personal development.
External Consultants
Derek Huby
Derek Huby
Maths advisor
Derek Huby is an experienced maths educator, writer and advisor, having worked on projects both nationally and internationally. He is the author of a variety of successful textbooks and is a registered Apple software developer. He is particularly interested in adult numeracy, and the role of ICT in mathematics learning.
For National Numeracy, Derek works extensively on our adult education projects.
Sue Skyrme
Sue Skyrme
Schools and parental engagement expert
Sue Skyrme has extensive primary maths education experience, both in headship, leadership and advisory roles. She has worked nationally and internationally, including in numeracy curriculum development for the Department for International Development. She also draws on her teacher training expertise from working with South Coast SCITT, the University of Winchester, and University of Portsmouth.
Sue’s work with National Numeracy to date has focused on engaging parents in their children’s education.
