https://wccftech.com/t-mobile-mike-sievert-att-verizon/ > T-Mobile's future CEO Mike Sievert > The week's off to a big start from T-Mobile (NASDAQ:TMUS )as the company has announced major shifts for its management today. T-Mobile's current CEO John Legere has confirmed that he was never in talks with WeWork for a top-role at the struggling real-estate company, and he's also announced that after his contract expires in April next year, T-Mobile's Chief Operating Officer Mike Sievert will take the top role at the company.