T-Mobile US Vice Chair G. Michael Sievert resigns from board effective Nov. 1
TMUS•G. Michael Sievert will resign from T-Mobile US’s board and Transaction Committee effective Nov. 1, 2026, and his vice chair roles at the board and company will also end that day. He gave notice on Oct. 26 and said his resignation does not stem from a disagreement over company operations, policies or practices.
1. Resignation details
G. Michael Sievert will resign from T-Mobile US’s board and Transaction Committee effective Nov. 1, 2026. His vice chair roles at the board and company will also end that day; he gave notice on Oct. 26, 2026. The resignation does not stem from any disagreement over the company’s operations, policies or practices.
