BELLEVUE, Wash.--(BUSINESS WIRE)--Braxton Carter, Chief Financial Officer, and Neville Ray, Chief Technology Officer of T-Mobile US, Inc. (NYSE: TMUS), will speak at 10:00 a.m. Eastern Daylight Time on Thursday, May 14th at the 2nd Annual MoffettNathanson Media & Communications Summit in New York, NY. A live webcast of the event will be available on the Company’s Investor Relations website, http://investor.t-mobile.com, on Thursday, May 14, 2015 at 10:00 a.m. EDT. An on-demand replay will b