G. Michael Sievert to cease as T-Mobile US vice chair effective November 1, 2026
TMUS•T-Mobile US said in an SEC filing that G. Michael Sievert will cease to serve as vice chair effective November 1, 2026.
1. Leadership change
T-Mobile US said in an SEC filing that G. Michael Sievert will cease to serve as vice chair effective November 1, 2026.
