Advertising Week

S4 Capital's Martin Sorrell predicts holding companies will break up

Boudica Founder and Chief Creative Officer Joanna Coles moderating a panel with MightyHive President of Americas Emily Del Greco, S4 Capital Executive Chairman Martin Sorrell and MediaMonks Founder and Chief Operating Officer Wesley ter Haar (Erik Spooner/Ad Age)
September 25, 2019 11:09 PM

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