https://www.vice.com/en_us/article/43k973/t-mobiles-john-legere-was-never-a-cool-ceo > T-Mobile’s trash-talking CEO John Legere will be stepping down in April, a decision industry watchers say could harm the company’s controversial $26 billion merger with Sprint. > In a statement, T-Mobile said that Legere would be stepping down on May 1, 2020, replaced by current Chief Operating Officer Mike Sievert.