Martin SorrellSir Martin Sorrell is Founder & CEO of WPP, a world leader in advertising and marketing services, and parent to many of the industry's biggest and most admired agencies. It's clients include 360 of the Fortune Global 500, all 30 of the DowJones 30, and 78 of the NASDAQ 100. In 2016, Martin was named Britain's best performing CEO and the second best-performing CEO in the world by Harvard Business Review. Read More Read Less