Publicis Media handled T-Mobile’s large offline media account for years before the carrier merged with Sprint in 2020. The merger triggered one of the year’s largest and most discussed media agency reviews, with agencies for both telecom companies competing alongside others for the $2 billion business. In the end, the carrier severed relationships with all…

(SOURCE) https://www.adweek.com/agencies/t-mobile-kari-marshall-why-chose-initiative-2021-media-agency-review/