Category: Private Citizen — Corporate Director Role: Director, T-Mobile US Inc. (TMUS); Deutsche Telekom designee Board Tenure: 2020 – present Committee Memberships: Nominating and Corporate Governance Committee Profile Type: Board Member Accountability — Anchor B (Documented Organizational Leadership)

Basis for Inclusion: Dominique Leroy holds a documented governance role as a Deutsche Telekom–designated director at T-Mobile US, serving on the Nominating and Corporate Governance Committee. 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

Dominique Leroy is a member of Deutsche Telekom’s Group Board of Management (Vorstand) since 2020, responsible for DT’s European segment — overseeing subsidiaries across multiple European countries. Before joining DT, she was CEO of Proximus, Belgium’s leading telecommunications company, from 2014 to 2019. She also serves as a director of Saint-Gobain (France) and OTE (Greece).

Leroy brings European telecommunications operational leadership to the T-Mobile board as DT’s Europe division head. Her governance role at T-Mobile reflects DT’s broader interest in managing the U.S. subsidiary’s governance, compliance, and strategic direction alongside its German and European operations.

Board Role and Governance Authority

• Company: T-Mobile US Inc. (NASDAQ: TMUS)
• Board tenure: 2020 – present
• Committee assignments: Nominating and Corporate Governance Committee
• Day job: Deutsche Telekom AG Board of Management (Europe)

Other Current Board Memberships

• Saint-Gobain SA (France)
• OTE Group (Greece)

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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)