T-Mobile reorganizes executives, Mike Sievert named COO

[Windows Central]

T-Mobile has a new Chief Operating Officer. As part of a corporate reshuffling, CEO John Legere announced that Mike Sievert will be the Un-carrier's first COO. Sievert has until now served as the company's Chief Marketing Officer, and in his new role will be responsible for a number of consumer-facing initiatives, according to TmoNews:

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