Our governance

STEM Learning is the largest provider of STEM education and careers support to schools, colleges and other groups working with young people across the UK.

Meet the board members

The Baroness Brown of Cambridge

The Baroness Brown of Cambridge - Chair of the board

After an academic career at Cambridge University, Baroness Brown held senior business and engineering posts at Rolls-Royce. She returned to academia as Principal of the Engineering Faculty at Imperial College and served as Vice-Chancellor of Aston University from 2006 to 2016. 

Baroness Brown advises the Government as vice-chair of the Committee on Climate Change. She is the Prime Minister’s Low Carbon Business Ambassador and is a member of the World Economic Forum Global Agenda Council on Decarbonizing Energy. 

She also chairs the Henry Royce Institute for Advanced Materials and is a non-executive director of the Offshore Renewable Energy Catapult.

Baroness Brown is a Fellow of the Royal Academy of Engineering and of the Royal Society, and was awarded DBE for services to higher education and technology. In 2015 she was elevated to the Peerage as The Baroness Brown of Cambridge. She sits as a crossbench Peer, and is a member of the House of Lords European Union Select Committee.

Rosie Bailey

The hon. Rosie Bailey, STEM Learning Non-Executive Director and Chair of the ENTHUSE Charitable Trust

Rosie Bailey has worked in finance in the City for 17 years, since studying mathematics at Oxford University. She comes from a family with a long-standing passion for science and engineering and is committed to passing that enthusiasm on to the next generation, including to her three daughters.

Until recently, she was a Managing Director in Investment Banking at the Royal Bank of Canada, having previously worked at Morgan Stanley and Lazard. She advised large multinational corporations on strategy, acquisitions and financing and was responsible for the bank’s relationships with key consumer and retail clients including Tesco and Unilever.

At STEM Learning, Rosie brings her significant experience in finance, strategy and corporate governance as Chair of the Audit Committee, Chair of the ENTHUSE Charitable Trust, Chair of the ENTHUSE Charitable Trust Audit Committee and as a key contributor to our overall strategy.

Simon Chaplin Head Shot

Simon Chaplin, CEO, Arcadia Fund

Simon Chaplin is Chief Executive of Arcadia, a charitable fund of Lisbet Rausing and Peter Baldwin. He was previously Director of Culture & Society at the Wellcome Trust and Director of Wellcome Collection, a free museum and library which challenges how people think and feel about health.

Before joining Wellcome, Simon was Director of Museums and Special Collections at the Royal College of Surgeons. He has been a board member of Research Libraries UK, the British Society for the History of Science and the Florence Nightingale Museum, and a Governor of Cambridge University Hospitals Trust.

Ian Duffy, Head of Communications and Advocacy - UK offshore wind at bp

Ian Duffy joined bp's refining business in 1999 with a degree in Chemical Engineering from the University of Cambridge. He is responsible for developing bp's approach to stakeholder engagement for offshore wind development in the UK. He is a governor of a federation of schools in London, a trustee of the ENTHUSE Charitable Trust, and a Fellow of the Royal Society of Arts.


Ian previously led a major collaborative project, Enterprising Science, in partnership with University College London, King's College London and the Science Museum Group. Enterprising Science was a five-year research and development programme, which developed tools to help teachers and other STEM educators to inspire young people to study STEM subjects after the age of 16.

Professor Tracy Lightfoot, Pro-Vice Chancellor for Teaching, Learning and Students at the University of York

Professor Tracy Lightfoot became the new Pro-Vice Chancellor for Teaching, Learning and Students at the University of York in October 2020. Prior to this she has held a number of senior leadership roles within the University including, most recently, Associate Pro-Vice-Chancellor for Teaching, Learning and Students, and Deputy Head of Department for Postgraduate Education in the Department of Health Sciences.

Tracy has a multi-disciplinary background with over 15 years’ experience of conducting research into the pathogenesis of cancer in both adults and children, coupled with the design and implementation of cross-disciplinary undergraduate and postgraduate degrees. Her focus has been very much targeted at the development of innovative novel provision, including new online learning credentials, and towards creating a thriving, supportive and dynamic community to enable all to succeed.  

Professor Stephen Scott, Dean of the Faculty of Mathematics and Physical Sciences at the University of Leeds

Professor Stephen Scott is Dean of the Faculty of Mathematics and Physical Sciences and is Professor of Mathematical Chemistry at the University of Leeds. 

Steve obtained his BSc in 1979 and his PhD in physical chemistry in 1982 from the University of Leeds. In 2005, he was appointed as Vice President at the University of Leeds. He then took on the role as Head of Physics and Astronomy from 2011 to 2013 and was re-appointed as Dean in August 2013.

Steve has published over 200 international research papers and has been awarded several prizes for his research. He is also leading the University’s £90M investment in the new interdisciplinary Bragg Research Centre. 

David Thorpe

David Thorpe, Chief Operating Officer at STEM Learning

Prior to taking up the role with STEM Learning, David enjoyed a successful career as a Finance Director and a Chief Executive. He has worked in a range of industries ranging from branded fast moving consumer goods – Nivea – and in Healthcare. 

David’s role with STEM Learning is focused on ensuring the organisation’s operational and financial performance fully supports and enhances its academic delivery. He has been instrumental in delivering the cultural change necessary to build its operating capacity throughout all regions of the country.

David is proud to be associated with an organisation that has such an important and proven impact on the quality of STEM education in the UK. He strongly believes that only through improvements in teaching will learning outcomes and young people’s engagement and enthusiasm for STEM subjects increase. 

Professor Gill Valentine, interim Deputy Vice-Chancellor at the University of Sheffield

Professor Gill Valentine is interim Provost and Deputy Vice-Chancellor at the University of Sheffield. Working closely with the President and Vice-Chancellor, she acts as his Deputy and undertakes a wide range of portfolio roles in the University, including oversight of strategic planning and international engagement. 

Previous posts include Head of the Faculty of Social Sciences the at the University of Sheffield; Head of School of Geography, Director of the Leeds Social Sciences Institute and Professor of Geography at the University of Leeds.  She is a member of the ESRC Research Committee and previously served on its Evaluation Committee.

Chris Wigginton head shot

Professor Christopher Wigginton, Pro Vice-Chancellor Sheffield Hallam University.

Professor Chris Wigginton is Pro Vice-Chancellor with responsibility for Culture and for the Faculty of Social Sciences and Humanities at Sheffield Hallam University.

With a background in the Creative Industries, Professor Wigginton’s work covers a range of cultural and creative forms including poetry, writing, art, film, media and digital production. He also leads a wide range of departmental disciplines at Sheffield Hallam, including the Sheffield Institute of Education, whose areas of nationally and internationally recognised expertise include Science and Maths education.

Meet our Chief Executive

Yvonne Baker

Yvonne Baker, Chief Executive at STEM Learning

A Chartered Chemical Engineer, Yvonne spent time in manufacturing before moving into management consultancy. Whilst working full time, she studied for an MBA and moved into the STEM sector to establish the Science and Engineering (now STEM) Ambassadors volunteering programme in 2002. She joined STEM Learning in 2010, and has significantly grown the organisation’s reach and impact to become the UK’s largest provider of STEM support.

Yvonne has a strong personal passion for engaging all young people (particularly girls and those from disadvantaged backgrounds) with STEM, so they can understand the opportunities, enjoyment and excitement that STEM-related careers can provide. She is co-Chair of the Institution of Engineering & Technology’s Education and Skills Panel and a Trustee of The 5% Club – an employer-led organisation promoting apprenticeships and other earn-and-learn routes.

Annual reports and financial statements

STEM Learning Limited company registration number is 05081097.