Category: Private Citizen — Corporate Director Role: Lead Independent Director, T-Mobile US Inc. (TMUS); Nominating Committee Chair Board Tenure: 2013 – present (longest-serving independent director) Committee Memberships: Audit Committee; CEO Selection Committee; Nominating and Corporate Governance Committee (Chair); Lead Independent Director Profile Type: Board Member Accountability — Anchor B (Documented Organizational Leadership)

Basis for Inclusion: Teresa A. Taylor holds the highest governance oversight role among T-Mobile’s independent directors as Lead Independent Director. She also chairs the Nominating and Corporate Governance Committee, giving her primary responsibility for independent director selection and governance practices. As the longest-serving independent director on the board, Taylor provides continuity in governance oversight across the Deutsche Telekom–dominated board structure. This profile documents the factual governance relationship, not the subject’s personal political views.

Subject Classification: Private Citizen / Corporate Director. Board membership is a matter of public record (SEC filings, proxy statements). This profile documents only the governance role and its connection to documented corporate governance and political activity.

Biographical Overview

Teresa A. Taylor is CEO of Blue Valley Advisors, a private advisory firm, and a former senior executive at Qwest Communications, where she ultimately served as COO (2009–2011) — one of the most senior roles at a major U.S. telecommunications company. She joined Qwest in 1988 and held progressive roles in operations, technology, and business units over more than two decades.

Taylor’s deep background in telecommunications network operations, having run Qwest’s physical network and service delivery, makes her the most operationally credentialed independent voice on a T-Mobile board otherwise dominated by financial executives. She has been on the T-Mobile board since 2013, longer than any other current independent director, and has served in the Lead Independent Director role since 2019.

Board Role and Governance Authority

• Company: T-Mobile US Inc. (NASDAQ: TMUS)
• Board tenure: 2013 – present (longest-serving independent director)
• Role: Lead Independent Director (since 2019)
• Committee assignments: Audit Committee; CEO Selection Committee; Nominating and Corporate Governance Committee (Chair)

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Investigative trail pointers (public records)

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Sources

• T-Mobile US Inc. DEF 14A Proxy Statement, filed April 18, 2025; SEC EDGAR (CIK 1283699)