Chief brand officer said company would continue to drive efficiencies across agency fees, production costs and media spend.
A veteran of Google, Levi's, Apple and GM, Brian Irving will report to CMO Jonathan Mildenhall.
Facebook has launched the Atlas advertising platform, which the social network says will "tackle today's marketing challenges".
Media, healthcare marketing, PR and sports and entertainment offerings led growth.
Agency will have billed estimated $19.6 billion by close of year.
Acquisition is Mastercard's latest move to strengthen customer data capabilities.
Alison Lewis will leave business.
Volker Doberanzke joined in February from UBS.
Earlier this decade, parents were shunning Barbie because they didn't see her as a good role model for girls. That has now changed, according to Barbie's brand chief.
Hickey has been appointed president, global clients.
Preserving an open platform is more important than ever in the face of "a rising chorus of policymakers, press and pundits" questioning its value, YouTube CEO Susan Wojcicki has said.
AB InBev is reported to be running cost-cutting 'auction' for global media review.
Now is the right time for me to pause, reflect on my personal priorities and explore other experiences,' he said.
Unilever has confirmed that high-profile marketer Marc Mathieu, who joined Unilever in 2011, is leaving the business to join tech giant Samsung.
European online director said brands must keep their virtual worlds clean and clutter-free.