GroupM North American CEO Is Leaving to Launch AT&T's New Analytics Platform

Brian Lesser is stepping down from the role

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WPP’s GroupM announced today that North America CEO Brian Lesser is leaving the agency for a role at AT&T.

The telecom giant was formerly a GroupM client, but consolidated its media business with Omnicom last August following a review.

According to a press release from AT&T, Lesser will lead a new, not-yet-named division that will use the telecom’s existing customer data and “growing content assets,” much of which may be drawn from its pending merger with Time Warner, to provide advertising and analytics services.

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