T-Mobile’s G. Michael Sievert to Leave Vice Chair Role Nov. 1
G. Michael Sievert will cease serving as T-Mobile US vice chair effective November 1, 2026.
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T-Mobile US’s G. Michael Sievert to Leave Board and Vice Chair Role
G. Michael Sievert will resign from T-Mobile US’s board and cease serving as vice chair, effective November 1, 2026.
T-Mobile Vice Chair G. Michael Sievert to Leave Role Nov. 1
An SEC filing says G. Michael Sievert will cease serving as T-Mobile US vice chair effective November 1, 2026.