Knighted Sir Martin Sorrell, his transformation of WPP began in 1985 by expanding globally and acquiring important ad brands such as JWT, Ogilvy & Mather, and GroupM. The communication conglomerate is the product of a consolidation of media groups in the global advertising market, and attests to Sorrell’s determination and business acumen. The former financial director of Saatchi & Saatchi, Sorrell is an evangelist for the new technologies shaping our world.