T-Mobile US appointed Chris Sambar as Chief Enterprise Officer, effective no later than October 14, 2026, while Michael J. Katz will step away as Chief Business and Product Officer effective July 8, 2026 and serve as strategic advisor through December 2026.
| IndividualChris SambarAndré AlmeidaDr. John SawMichael J. Katz | RoleChief Enterprise OfficerChief Marketing, Brand, and Broadband Officer (transitioning from Chief Broadband, Enterprise and Emerging Business Officer)Chief Technology Officer (expanded to include product engineering and cybersecurity)Chief Business and Product Officer | Type of ChangeAppointedRole transitionExpanded responsibilitiesStepping away (departure) and becoming strategic advisor | Effective DateNo later than October 14, 2026Concurrent with Sambar's hiring / onboarding periodConcurrent with Sambar's hiringJuly 8, 2026 (step away); strategic advisor through December 2026 | ReasonNot disclosedNot disclosedNot disclosedDecided to step away after over two decades in leadership | Replacement InfoNot disclosedNot disclosedNot disclosedWill remain as strategic advisor through December 2026; successor not disclosed | Background DetailsWill oversee enterprise and government businesses; will report to Srinivasan GopalanWill lead marketing, communications, and broadband operations; will continue some enterprise duties during onboardingWill now include product engineering and cybersecurity in purviewOver two decades in various leadership positions with the Company | Board/Committee Role ChangesNot disclosedNot disclosedNot disclosedNot disclosed |
Original SEC Filing:
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