S4 Capital reports 71% y/y increase in organic revenue in Q1 2021 thanks to 'whopper' accounts, raises annual target
Stef Calcraft will lead a new global leadership team
Former Mindshare leader will enjoy $300 million war chest
MediaSense is assisting the vacuum cleaner brand known for ditching bags
Former WPP supremo's venture grew organically by double digits despite the pandemic
The WPP agency says Maximize can run 100 million media plans at the click of a button and then 'optimise it to death'
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