Sir Martin Sorrell is Founder and Executive Chairman of S4 Capital plc, which is building a new age/new era, purely digital advertising and marketing services business for global, multinational, regional, local clients and millennial-driven influencer brands. Sir Martin was Founder and CEO of WPP for 33 years, building it from a £1 million “shell” company in 1985 into the world’s largest advertising and marketing services company. When Sir Martin left in April 2018, WPP had a market capitalisation of over £16 billion, revenues of over £15 billion, profits of approximately £2 billion and over 200,000 people in 113 countries. Prior to that, Sir Martin was Group Financial Director of Saatchi & Saatchi plc for 9 years and worked for James Gulliver, Mark McCormack and Glendinning Associates before that. S4 Capital plc merged with MediaMonks, its content practice, in July 2018 and MightyHive, its data & digital media practice, in December 2018 and has added eight further content and data & digital media companies to both practices in 2019, six in 2020 and five in 2021 so far. It is listed on the London Stock Exchange under SFOR.L and after a little over two years, S4 Capital plc has over 4200 people in 31 countries, with a market capitalization of approximately $3.5 billion. Sir Martin supports a number of leading business schools and universities, including his alma maters, Harvard Business School and Cambridge University and a number of charities through his family foundation.