Group CEO Michael Roth cites importance of agency brands to the company's results.
The advertising legend announced his retirement on Valentine's Day.
The ad industry legend is behind some of the most iconic commercials and campaigns of all time.
The independent giant has hired Leo Burnett's Judy John to lead its creative network.
Fight Gunfire with Fire, founded by The One Club and MullenLowe, helped the father of a mass-shooting victim put a bulletproof vest on the famous statue.
The CEO admitted a 'mistake' was made hiring former Droga5 CCO Ted Royer.
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