Group CEO Michael Roth cites importance of agency brands to the company's results.
Shares climb, although performance expected to moderate in 2019.
Dentsu, Havas, IPG, Omnicom, Publicis and WPP have teamed up with Google for Common Ground's new "Little x Little" campaign.
The IPG Mediabrands agency takes over from Dentsu Aegis Network’s Carat in Europe and Asia and Publicis Groupe’s Starcom in the US.
In a conversation with Campaign India, Terry Peigh, senior vice president and managing director at Interpublic Group gives useful tips on what companies should do while engaging with influencers
Part two of a study by the InterPublic Group in association with FCB Cogito consulting
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