Martin Sorrell Steps Down As CEO Of World's Largest Ad Company WPP, which owns a number of prominent ad agencies, investigated its CEO for allegations of misconduct. Now he's resigning after 33 years, with no comment from WPP on what its investigation uncovered. WPP, which owns a number of prominent ad agencies, investigated its CEO for allegations of misconduct. Now he's resigning after 33 years, with no comment from WPP on what its investigation uncovered. Business
WPP, which owns a number of prominent ad agencies, investigated its CEO for allegations of misconduct. Now he's resigning after 33 years, with no comment from WPP on what its investigation uncovered.
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