Martin Sorrell has stepped down as chief executive of WPP PLC following the conclusion of an investigation into an allegation of personal misconduct, ending his more than three decades of leadership atop the world’s largest advertising company.
Roberto Quarta, chairman of WPP’s board, will take on the role of executive chairman until a new CEO is appointed, the company said. Mark Read, chief executive of WPP agency Wunderman, and Andrew Scott, WPP’s corporate development director and chief operating officer for Europe, have...