Martin Sorrell Steps Down As CEO Of World’s Largest Ad Company Martin Sorrell Steps Down As CEO Of World’s Largest Ad Company NPR Ad world’s most powerful leader Martin Sorrell quits PBS NewsHour Martin Sorrell quits as head of world’s biggest ad group WPP Reuters WPP CEO Sorrell Quits After Three Decades Building Ad Empire Bloomberg Full coverage (This story has not been edited by usimmigrationupdate.com staff.) – News Source link
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