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Martin Sorrell

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Sir Martin Sorrell serves as Executive Chairman at S4 Capital, the digital-first advertising and technology services company he founded following his departure from WPP in 2018. He previously spent over three decades as Chief Executive Officer of WPP, transforming it into the world's largest advertising holding company, and before that served as Finance Director at Saatchi & Saatchi. Across his career, Sorrell has been one of the most influential and consequential figures in the global advertising industry.

Last updated Jun 11, 2026 by ATDb automated enrichment · Connections updated Jul 7, 2026

In the news
Role
Executive Chairman
Company
S4 Capital
Based
London, United Kingdom
Boards
1
Connections
10
Years in industry
45 years

Bio

Sir Martin Sorrell serves as Executive Chairman at S4 Capital, the digital-first advertising and technology services company he founded following his departure from WPP in 2018. He previously spent over three decades as Chief Executive Officer of WPP, transforming it into the world's largest advertising holding company, and before that served as Finance Director at Saatchi & Saatchi. Across his career, Sorrell has been one of the most influential and consequential figures in the global advertising industry.

Career

  • Chief Executive Officer

    WPP · 1985-2018

  • Finance Director

    Saatchi & Saatchi · 1977-1984

  • Chief Executive Officer

    James Gulliver Associates · 1975-1977

Board memberships

S4 Capital (Executive Chairman)

Expertise & education

Expertise

Digital AdvertisingMarketing ServicesMedia Investment ManagementData & Technology ServicesProgrammatic AdvertisingGlobal Agency OperationsMergers & AcquisitionsDigital Transformation

Education

  • MA, Economics, Christ's College, Cambridge University
  • MBA, Harvard Business School

Speaking topics

The future of digital advertisingAI and marketing technologyGlobal media and advertising trendsAgency holding company models vs. digital-first challengersMergers and acquisitions in AdTechBrand building in the digital age

Recognition

Notable achievements

  • Founded S4 Capital in 2018, building it into a major digital-first advertising and technology services company
  • Transformed WPP from a wire and plastics manufacturer into the world's largest advertising holding company over more than three decades as CEO
  • Orchestrated hundreds of acquisitions at WPP, assembling a global network of agencies including Ogilvy, JWT, Young & Rubicam, Grey, and GroupM
  • Knighted in 2000 for services to the advertising and communications industry

Awards

Knight Bachelor (Sir), 2000Cannes Lions, Special Award for Outstanding Contribution to Creativity and Communications

Publications

  • Regular columns and commentary in the Financial Times
  • Annual WPP reports and industry letters (during WPP tenure)
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