T-Mobile is replacing Mike Sievert as CEO more than five years after he took on the role. The mobile carrier’s chief operating officer, Srini Gopalan, will become CEO on November 1st, while Sievert will become vice chairman.

Sievert took over for the outspoken John Legere following T-Mobile’s merger with Sprint in 2020. While at the helm, Sievert has overseen many acquisitions, including T-Mobile’s purchase of Mint Mobile, which was partially owned by Ryan Reynolds, as well as its agreement to buy most of US Cellular. Earlier this year, the carrier axed its diversity, equity, and inclusivity policies to get FCC Chair Brendan Carr to approve an acquisition of the fiber brand Lumos.

T-Mobile appointed Gopalan as COO in March 2025. Gopalan previously spent over eight years as a board member

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