T-Mobile announced late yesterday the appointment of Michael Sievert as the company’s new Chief Marketing Officer, effective November 19th: “Mike is a unique creative genius, and his track record as a disruptive force in tech and telecom couldn’t be better suited to our plans to redefine wireless as America’s un-carrier,” said John Legere, president and CEO of T-Mobile USA. “This is a critical and incredibly … [read full article]