Ezekiel, who was co-president of Publicis agency Digitas, International, started his career at Saatchi & Saatchi, the London-based agency where WPP founder and former chief executive Martin Sorrell also started in advertising.

(The story corrects Ezekiel's previous title and role)

(Reporting by Paul Sandle; editing by David Evans, Richard Balmforth)

Stocks treated in this article : Publicis Groupe, WPP Group