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Sir Martin Sorrell on 'lack of strategy' at Omnicom and why WPP should be 'broken up'
In an interview with Campaign Germany, the 80-year-old S4 Capital chief executive took aim at rivals, fielded questions about his own holding company and made predictions about the future of adland.
In an interview with Campaign Germany, the 80-year-old S4 Capital chief executive took aim at rivals, fielded questions about his own holding company and made predictions about the future of adland.
