Category: Private Citizen — Corporate Director Role: Director, T-Mobile US Inc. (TMUS); Deutsche Telekom designee Board Tenure: 2013 – present Committee Memberships: Compensation Committee; Executive Committee; Nominating and Corporate Governance Committee Profile Type: Board Member Accountability — Anchor B (Documented Organizational Leadership)

Basis for Inclusion: Raphael Kübler holds a documented governance role on three T-Mobile committees — Compensation, Executive, and Nominating — as a Deutsche Telekom SVP and designated director. His decade-plus tenure (since 2013) makes him one of the longest-serving DT-designated board members and gives him deep institutional knowledge of T-Mobile’s governance history across the Sprint merger period. 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

Raphael Kübler is Senior Vice President within the Corporate Operating Office of Deutsche Telekom AG, where he oversees DT’s portfolio of investments and subsidiaries from a financial control and corporate governance perspective. He has held various controlling and financial leadership roles within DT over many years, including as CFO of T-Mobile Deutschland. His deep familiarity with T-Mobile’s financial structure and governance predates his board role.

As a member of the T-Mobile Compensation Committee, he has direct oversight of the CEO and senior executive compensation framework alongside Marcelo Claure.

Board Role and Governance Authority

• Company: T-Mobile US Inc. (NASDAQ: TMUS)
• Board tenure: 2013 – present
• Committee assignments: Compensation Committee; Executive Committee; Nominating and Corporate Governance Committee
• Day job: SVP, Corporate Operating Office, Deutsche Telekom AG

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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)