Sir Martin Sorrell

Sir Martin Sorrell is Founder and Executive Chairman of S4 Capital PLC, a new age / new era, purely digital advertising and marketing services business for global, multinational, and millennial-driven influencer brands. S4 Capital, which started in 2018, has over 9000 people in 32 countries and is listed on the London Stock Exchange under SFOR.L. Sir Martin was Founder and CEO of WPP for 33 years, building it into the world’s largest advertising and marketing services company, with a market capitalisation of over £16 billion, when he left.