• Read more about Costis Maglaras

Member of the Audit and Reputation & Responsibility Committees
Appointed 1 November 2025

Skills and experience

Costis is Dean of Columbia Business School, where he is also the David and Lyn Silfen Professor of Business. As a trained technologist he has a focus on enhancing curriculum and learning to meet the demands of the rapidly changing global business landscape, and fostering a greater understanding of the role of technological breakthroughs in solving business challenges. His fields of expertise include machine learning and AI, social networks and quantitative finance. Costis has been with Columbia Business School since 1998. His industry experience over the past 15 years has been focused on different aspects of qualitative investing and trading at organisations including ADIA, Goldman Sachs, Bank of America and Mismi.

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• Read more about Arden Hoffman

Member of the Reputation & Responsibility and Remuneration Committees
Appointed 1 June 2025

Skills and experience

Arden is the Chief People Officer and Senior Vice President at General Motors, a position she has held since 2023, overseeing Human Resources, Facilities, Security and Charitable Giving. These functions play a critical role in fostering a culture of innovation, ensuring the company attracts, retains and develops top talent in a rapidly evolving industry. She brings to the Board a strong background in human resources and talent development in the global automotive, technology and financial services sectors. Prior to General Motors, Arden served as Chief People Officer at Cruise and as Global Head of Human Resources at Dropbox, and has held senior positions in HR at Google and Goldman Sachs. She currently sits on the Advisory Board of Berkeley's College of Letters and Sciences and the Transformation CHRO Leadership Program.

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• Read more about Omar Abbosh

Appointed as Chief Executive 8 January 2024

Skills and experience

Omar has a career spanning more than 30 years driving growth and transformation for leading multinational companies. He joined Pearson with a background steeped in technology and innovation, and with a deep understanding of how to shape and execute successful strategies in a world of disruption.

Most recently, Omar was the President of Microsoft Industry Solutions with responsibility for driving sales, service and solutions across Microsoft’s largest customers. While there he led industry and technical business units, including strategy, engineering, partnering and sales teams that shaped product roadmaps and strategic campaigns. Prior to Microsoft, Omar spent three decades at Accenture where he helped to orchestrate the company’s digital transformation, and led a large and highly successful business unit. He served in numerous senior leadership roles at Accenture, including Chief Strategy Officer and ultimately as Chief Executive of the global Communications, Technology and Media business.

Omar was previously a Non-Executive Director of Zuora, Inc., an enterprise SaaS company. He holds a degree in electronic engineering and information sciences from the University of Cambridge and a Master’s degree in business administration from INSEAD.

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• Read more about Alex Hardiman

Member of the Audit and Reputation & Responsibility Committees
Appointed 1 June 2023

Skills and experience

With more than 15 years of experience in media and technology, Alex brings to the Board deep expertise in consumer product strategy and growth, scaling subscription and digital advertising businesses, and high-quality journalism and content.

Alex currently serves as Chief Product Officer at The New York Times, where she oversees the company’s News, Cooking, Games and Audio products that power its digital business. She also leads its enterprise-wide approach to generative AI. Alex previously spent a decade at The New York Times in several leadership roles before leaving for Facebook in 2016 where she served as Head of News Products, overseeing news experiences for Facebook consumers and publishers. Alex also spent time at The Atlantic as its Chief Business and Product Officer where she relaunched the company’s consumer offerings and subscription model.

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• Read more about Alison Dolan

Member of the Audit and Remuneration Committees
Appointed 1 June 2023

Skills and experience

Alison brings to the Board extensive commercial and operational finance experience, specifically in digital businesses. In January 2025, she joined the Board of Marks and Spencer Group plc as Chief Financial Officer. Prior to this, she was the Chief Financial Officer of Rightmove plc between September 2020 and September 2024 and she held several senior financial positions at Sky plc, including Group Treasurer, Director of Finance and was the Deputy Managing Director at Sky Business. She later moved to News UK to serve as Chief Strategy Officer at the forefront of the business’s digital transformation. Alison has a master’s in Finance from University College Dublin.

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• Read more about Omid Kordestani

Chair of the Nomination & Governance Committee
Appointed 1 March 2022

Skills and experience

Omid is an international businessman who serves on the board of the fintech company Klarna Group plc. He was Executive Chair of Twitter, Inc. between October 2015 and May 2020, and a Director until October 2022.

From August 2014 to August 2015, Omid served as Senior Vice President and Chief Business Officer at Google and previously as Senior Vice President of Global Sales and Business Development.

From 1995 to 1999, Omid was Vice President of Business Development at Netscape Communications Corporation, and prior to that held positions in business development, product management and marketing at The 3DOCompany, Go Corporation and Hewlett-Packard Company.

Drawing on over 30 years of experience in Silicon Valley, Omid pursues his passion for technology, science, medicine and education through active investments in technology start-ups and advising entrepreneurs.

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• Read more about Esther Lee

Member of the Nomination & Governance, Reputation & Responsibility and Remuneration Committees
Appointed 1 February 2022

Skills and experience

Esther brings significant experience to the Pearson Board through her prior executive management roles in developing customer strategies to drive growth, global marketing and branding, driving digital transformation and building high-performance teams.

She has a long track record of senior leadership roles, working for global consumer and enterprise-facing brands. Most recently, she served as Executive Vice President – Global Chief Marketing Officer at MetLife Inc. Previously, Esther served as Senior Vice President – Brand Marketing, Advertising and Sponsorships for AT&T, and she has served as CEO of North America and President of Global Brands for Euro RSCG Worldwide. Prior to that, she served for five years as Global Chief Creative Officer for The Coca-Cola Company.

Esther is a Board member at The Clorox Company, where she chairs the Nomination & Governance Committee, and is a Non-Executive Director of Experian plc.

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• Read more about Annette Thomas

Chair of the Reputation & Responsibility Committee and Member of the Nomination & Governance and Remuneration Committees
Appointed 1 October 2021

Skills and experience

Annette has a 25-year track record in leading global publishing and data analytics businesses, across academic, educational and consumer media verticals. Most recently, she served as CEO of Guardian Media Group, a position she held until June 2021. Prior to that, Annette was CEO of the Web of Science Group at Clarivate Analytics, a data, analytics and software business focused on research and higher education. She has also served as CEO of Macmillan Publishers and led the digital and global transformation of Nature Publishing Group.

She is a Non-Executive Director of Schroders plc and currently serves as Senior Advisor to General Atlantic. Her previous non-executive experience includes serving as a Trustee of Yale University, Non-Executive Director at Clarivate Analytics (2017), and as a board member for Cambridge University Press and Cambridge Assessment (2019–2020). She has also previously acted as an adviser to Creative Commons and Bain Capital.

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• Read more about Tim Score

Deputy Chair and Senior Independent Director, Chair of the Nomination & Governance Committee, Member of the Audit and Remuneration Committees

Appointed 1 January 2015

Tim has extensive experience of the technology sector in both developed and emerging markets, having served for 13 years as CFO of ARM Holdings plc, the world’s leading semiconductor IP company. He is an experienced Non-Executive Director and was appointed as a Non-Executive Director of Bridgepoint Group PLC in 2021, alongside his roles as Chair of The British Land Company plc, a Non-Executive Director of the Football Association, and a Trustee of the National Theatre. Tim has garnered extensive financial and listed company experience during previous and current positions. He served on the board of National Express Group plc from 2005 to 2014, including time as interim Chair and six years as SID. Earlier in his career, Tim held senior finance roles with Rebus Group, William Baird, LucasVarity plc and BTR plc.

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• Read more about Graeme Pitkethly

Chair of the Audit Committee and Member of the Reputation & Responsibility and Nomination & Governance Committees
Appointed 1 May 2019

Skills and experience

Graeme was Chief Financial Officer and a Board member of Unilever plc until December 2023. He joined Unilever in 2002 and, prior to his appointment as the CFO, was responsible for its UK and Ireland business. He also held a number of senior financial and commercial roles within Unilever and spent the earlier part of his career in senior corporate finance roles in the telecommunications industry.

Graeme served as Vice President of Financial Planning and Vice President of Corporate Development at FLAG Telecom and started his career at PricewaterhouseCoopers. Graeme is a Non-Executive Director of Sandoz Group AG and Chair of its Audit, Risk and Compliance Committee, and a Non-Executive Director of Verisure plc and Chair of its Audit and Risk Committee. He is also a Trustee of The Leverhulme Trust, a charitable trust funding academic research in the UK, a member of the Strathclyde University Centre for Sustainable Development and a chartered accountant.

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