Brian Lesser

Brian Lesser is launching AT&T’s new advertising and analytics company, one of four distinct business units operating under AT&T Inc., and leading the development of advertising platforms across AT&T.

In this new role, Brian is creating a new option for advertisers and publishers to find and reach specific audiences at scale in a trusted, premium content environment.

Brian previously served as CEO of GroupM North America, the world’s largest media investment management organization, which applies data and tech to maximize the value of advertising for many of the world’s largest companies. He was responsible for overseeing strategy and operations for GroupM’s 16 leading agencies in North America, including Mindshare, Mediacom, Wavemaker, Essence and Xaxis.

Brian has been recognized for his role in the ad industry’s shift to a more data- and technology-driven model. He was recently named one of AdWeek’s Power 100 and “Five Advertising Executives to Watch” by the Wall Street Journal.