Sorrell exit leaves ad giant WPP vulnerable

Sorrell’s departure puts WPP’s omissions in grooming a successor to its founder into sharp focus. It also raises the prospect of a split, as WPP loses the man holding the empire together

Martin Sorrell 'the glue that held WPP together'. Pic: Getty

Martin Sorrell’s abrupt exit from WPP leaves the advertising empire in search of a new chief executive for the first time and vulnerable to a break-up, as the sprawling network of agencies faces its biggest challenges since the global financial crisis.

Sorrell’s departure late on Saturday from the world’s largest ad company puts WPP’s omissions in grooming a successor toits 73-year-old founder into sharp focus, even with shareholders long flagging the issue. It ...