WPP's Sir Martin Sorrell named second most successful CEO in the world by Harvard Business Review

Sir Martin Sorrell, founder of WPP, the world’s largest advertising and marketing services group, has been named the second most successful CEO in the world by Harvard Business Review. Sir Martin had founded WPP in 1985. In October last year, Sir Martin was named the fifth best-performing CEO by Harvard Business Review.
WPP includes some of the most prominent agencies in the business, providing clients with end-to-end solutions for advertising, media investment management, data investment management, public relations, branding, healthcare communications, digital and specialist communications services.
WPP has over 3,000 offices in 112 countries. The Group’s worldwide companies include J Walter Thompson, Ogilvy & Mather Advertising, Y&R, Grey, Mindshare, MEC, MediaCom, Kantar (including Millward Brown and TNS), Wunderman, Burson-Marsteller, Hill+Knowlton Strategies, Landor, Brand Union, Fitch, The Partners, AKQA and WPP Digital.