T-Mobile USA’s CMO Denny Marie Post Steps Down

T-Mobile USA's Denny Marie Post

T-Mobile USA’s Chief Marketing Officer Denny Marie Post has resigned from the Bellevue, Wash.-based company to start her own consultancy outside of the wireless industry, we have learned.

Her departure was confirmed by a T-Mobile spokesperson who said it was a personal decision for her to leave the company. The spokesperson would not say if the position would be filled, but our sources said two VPs George Harrison and Adrian Hurditch will at least temporarily take over her responsibilities and report directly to T-Mobile’s CEO Robert Dotson. In addition, Publicis will continue to be the company’s brand and advertising partner.

Back in June 2008, T-Mobile snagged Post away from Starbucks, where she was the SVP of global food and beverage. The departure of the high-ranking executive is not a good sign for the fourth-largest wireless carrier, which has been losing subscribers to the two mega brands in the industry, AT&T (NYSE: T) and Verizon Wireless.

Post was just featured in a BrandWeek story on Sunday, where she explained the idea behind creating a myTouch 3G Fender Limited Edition handset, which was based on a partnership with the famed guitar maker and promoted by Eric Clapton. Two of Clapton’s songs came preloaded on the Google (NSDQ: GOOG) device. Post said the special edition phone sold out in three weeks, and a new order (anticipated to last 45 days) sold out in 10.

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