T-Mobile names Chris Sambar Chief Enterprise Officer; Mike Katz to depart after 20+ years

Filed July 7, 2026 · Period ending July 2, 2026 · ~1 min read

Key Changes

• high

  Chris Sambar, former AT&T executive and current Public Storage COO, joins as Chief Enterprise Officer by Oct 14 to lead SMB, enterprise, government, and emerging growth businesses including T-Ads and Physical AI.

  Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation verify on EDGAR →
• high

  Mike Katz steps down as Chief Business & Product Officer effective July 8 after two decades, remaining as strategic advisor through December 2026 to support transition.

  Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation verify on EDGAR →
• medium

  André Almeida transitions from Chief Broadband, Enterprise & Emerging Business Officer to Chief Marketing, Brand & Broadband Officer, consolidating consumer wireless and broadband oversight with COO Jon Freier.

  Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation verify on EDGAR →