Sir Martin Sorrell's journey to the top, Chairman at S4 Capital & Founder of WPP

Why he started WPP and S4 Capital, how S4 Capital has been able to weather the current storm and the enduring impacts on the marketing agency model

Who is Sir Martin Sorrell?

Sir Martin is a British businessman and the founder of WPP plc, the world's largest advertising and PR group.

Upon his retirement in April 2018, Sorrell was the longest-serving chief executive of a FTSE 100 company.

Thereafter he launched S4 Capital. Two years later, it is worth £2bn.