8-KLeadership Changes

T-Mobile US, Inc. 8-K Report, Executive Changes (Aug 25, 2025)

Filed August 25, 2025For Securities:TMUSTMUSZTMUSITMUSL

Summary

T-Mobile US, Inc. (TMUS) has announced significant changes to its senior leadership team aimed at strengthening its growth and technology divisions. André Almeida, a former board member, has been appointed President of Growth and Emerging Businesses, effective September 1, 2025. In this new capacity, Almeida will lead critical areas such as broadband, advertising, financial services, and enterprise solutions, leveraging his extensive experience in the telecommunications and media sectors. Simultaneously, John Saw, previously Chief Technology Officer, has been elevated to President of Technology. Saw's new responsibilities encompass the entire network team, building on his proven track record in developing T-Mobile's 5G network and optimizing spectrum utilization. These executive transitions, alongside the departure of Callie Field from her role as President, Business Group, and the retirement of Ulf Ewaldsson, signal a strategic realignment to drive future innovation and market expansion.

Key Highlights

  • 1Appointment of André Almeida as President of Growth and Emerging Businesses, effective September 1, 2025, to lead broadband, T-Ads, financial services, enterprise, and government sectors.
  • 2John Saw appointed President of Technology, expanding his oversight to include the entire network team, building on his 5G network development expertise.
  • 3André Almeida resigns from the Board of Directors effective August 31, 2025, a move not attributed to any disagreements with the Company.
  • 4Callie Field, President of Business Group, will step down from her executive role on September 30, 2025, after two decades of service.
  • 5Callie Field will transition to a strategic advisor role until March 31, 2026.
  • 6Ulf Ewaldsson is retiring after playing a key role in the build-out of T-Mobile's 5G network.

Frequently Asked Questions

The changes are part of T-Mobile's ongoing process to strengthen its leadership team and advance its succession plans. The appointments of Mr. Almeida and Mr. Saw are intended to enhance the company's ability to execute long-term business objectives, particularly in growth and technology areas.

Mr. Almeida's appointment to lead Growth and Emerging Businesses, which includes broadband, T-Ads, financial services, enterprise, and government segments, suggests a strategic focus on expanding and optimizing these key revenue streams. His experience is expected to drive innovation and execution in these areas.

Mr. Saw's expanded role signifies a commitment to maintaining and advancing T-Mobile's leading network capabilities. His deep experience with 5G deployment and network technologies, coupled with full oversight of the network team, positions him to continue driving network performance and innovation.

Callie Field's departure from her executive role is a planned transition after a long tenure, and she will remain as a strategic advisor, indicating a smooth handover. Ulf Ewaldsson is retiring after a significant contribution to the 5G network build-out. These departures appear to be planned transitions rather than indicators of concern.