WPP’s founder Sir Martin Sorrell was ousted in 2018 and is now at the top of the $2.1bn challenger to Accenture, the big consulting firms and the global marketing services holding giants and agency networks. S4 is banking big time on tech firms like Adobe, Salesforce and Google for its growth and blending those capabilities with fast, borderless content production and digital media and business transformation. S4 APAC CEO Michel de Rijk talks frankly about more acquisitions in Australia and why the consulting and communications company models will continue to struggle.