T-Mobile revamps leadership, hires Chris Sambar
T-Mobile US, Inc. is reshaping its leadership team, highlighted by the appointment of wireless industry veteran Chris Sambar as Chief Enterprise Officer, effective no later than October 14, 2026.
Rhea-AI Filing Summary
T-Mobile US, Inc. is reshaping its leadership team, highlighted by the appointment of wireless industry veteran Chris Sambar as Chief Enterprise Officer, effective no later than October 14, 2026. He will lead the company’s SMB, enterprise and government businesses and report to CEO Srini Gopalan, with a mandate to expand T-Mobile’s business customer portfolio and scale emerging opportunities such as T-Ads and Physical AI.
André Almeida moves into an expanded role as Chief Marketing, Brand & Broadband Officer, partnering with the COO to drive consumer wireless and broadband growth. Dr. John Saw, Chief Technology Officer, will also oversee product engineering and cybersecurity, integrating network and technology functions to support next-generation AI and 6G experiences.
Longtime executive Mike Katz, Chief Business & Product Officer, will step away from his role effective July 8, 2026 and remain a strategic advisor through December 2026. The company frames these changes as aligned with strategic priorities outlined in its February 2026 Capital Markets Update, emphasizing continued growth, innovation and expansion beyond core wireless.
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8-K Event Classification
Key Figures
Key Terms
Chief Enterprise Officer financial
emerging growth opportunities financial
Physical AI technical
FirstNet public safety network technical
forward-looking statements regulatory
Capital Markets Update financial
FAQ
What leadership changes did T-Mobile (TMUS) announce in this 8-K?
Who is Chris Sambar and what will he oversee at T-Mobile (TMUS)?
When will Mike Katz leave his executive role at T-Mobile (TMUS)?
How is André Almeida’s role changing at T-Mobile (TMUS)?
What new responsibilities will CTO John Saw have at T-Mobile (TMUS)?
How do these leadership moves support T-Mobile (TMUS) strategy?
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UNITED STATES
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Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
T-Mobile US, Inc. (the “Company”) announced that it has appointed Chris Sambar as its Chief Enterprise Officer, effective no later than October 14, 2026. In this role, Mr. Sambar will oversee the Company’s enterprise and government businesses and will report directly to Srinivasan Gopalan, the Company’s President and Chief Executive Officer.
In connection with Mr. Sambar’s hiring, André Almeida, currently the Company’s Chief Broadband, Enterprise and Emerging Business Officer, will transition to the role of Chief Marketing, Brand, and Broadband Officer. In this capacity, Mr. Almeida will lead the Company’s marketing, communications, and broadband operations, while also continuing to oversee certain enterprise responsibilities during Mr. Sambar’s onboarding period. Additionally, Dr. John Saw, the Company’s Chief Technology Officer, will expand his purview to include product engineering and cybersecurity, in addition to his existing responsibilities.
After over two decades in various leadership positions with the Company, Michael J. Katz, the Company’s Chief Business and Product Officer, has decided to step away from his position at the Company effective July 8, 2026, but he will remain with the Company as a strategic advisor through December 2026.
| Item 7.01 | Regulation FD Disclosure. |
On July 7, 2026, T-Mobile issued a press release announcing the appointment of Chris Sambar as the Company’s Chief Enterprise Officer and other changes to the Company’s leadership team. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
The information contained in Item 7.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.
| Item 9.01 | Financial Statements and Exhibits. |
(d) Exhibits:
| Exhibit No. |
Description | |
| 99.1 | Press Release, dated July 7, 2026. | |
| 104 | Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101). | |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
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T-MOBILE US, INC. | |||||
| July 7, 2026 | /s/ Peter Osvaldik | |||||
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Name: Peter Osvaldik Title: Chief Financial Officer | |||||
EXHIBIT 99.1
T-Mobile Appoints Chris Sambar Chief Enterprise Officer and Evolves Leadership Team to Advance its Next Era of Strategic Growth and Innovation
André Almeida Named Chief Marketing, Brand and Broadband Officer as T-Mobile Continues Redefining Consumer Wireless and Supercharges Fast-Growing Broadband Business
Leadership Team Evolution Positions T-Mobile to Accelerate Expansion in New and Emerging Growth Opportunities, Innovate to Build Next-Generation Networks Powered by AI and 6G, and Strengthen Differentiation for Customers
BELLEVUE, Wash. – July 7, 2026 – T-Mobile (NASDAQ: TMUS) today announced that wireless industry veteran Chris Sambar will join the company as Chief Enterprise Officer, effective no later than October 14, 2026. Mr. Sambar will report to T-Mobile CEO Srini Gopalan and will lead T-Mobile’s fast-growing SMB, enterprise and government businesses while scaling the company’s emerging growth opportunities.
Mr. Sambar joins from Public Storage, where he is Chief Operating Officer. He previously spent two decades at AT&T where his accomplishments included building the company’s 5G mobile network, developing corporate strategy and leading enterprise sales, including the design and deployment of the FirstNet public safety network. With the appointment of Mr. Sambar, T-Mobile evolves its executive leadership team to further align with and advance the key strategic priorities that will drive the Un-carrier’s continued growth, innovation and disruption.
Consistent with the strategic priorities outlined in its February 2026 Capital Markets Update, T-Mobile’s next era will be powered by a relentless commitment to continue redefining consumer wireless, accelerating growth in new businesses expanding beyond core wireless, the expansion of America’s Best Network with innovative technology to transform customer experiences, and an unwavering focus on strengthening the Un-carrier spirit built on challenging the status quo.
T-Mobile also announced that André Almeida, currently Chief Broadband, Enterprise & Emerging Business Officer, is appointed to an expanded position as Chief Marketing, Brand & Broadband Officer. In this role, Mr. Almeida will partner with Chief Operating Officer Jon Freier to oversee T-Mobile’s consumer wireless and broadband businesses, focusing on capturing new growth segments and continuing to win with customers. T-Mobile’s network, technology, product engineering and cyber will be integrated under the leadership of Dr. John Saw, Chief Technology Officer, positioning the company to advance seamless connected experiences for consumers and build the next generation of AI and 6G experiences.
“Chris is a seasoned wireless industry leader with proven experience including expanding high-growth businesses and seizing market opportunities. He’s a terrific addition to T-Mobile’s leadership team,” said Srini Gopalan, CEO of T-Mobile. “I am also thrilled that André is stepping into his new role, as he has been instrumental in building several of our fastest-growing businesses. With these appointments, I am confident T-Mobile’s leadership team has the speed, focus and expertise to shape the next generation of our industry as we continue to innovate and disrupt with a truly differentiated offering for our customers.”
Leading T-Mobile’s enterprise and government businesses, Mr. Sambar will focus on expanding the company’s SMB and business customer portfolio and will help scale emerging growth opportunities such as T-Ads and Physical AI. The appointment of Mr. Sambar will advance T-Mobile’s strategy to disrupt and strengthen its presence in industries beyond core wireless, while redefining customer
experiences in the enterprise market with the same spirit and focus that built T-Mobile’s position as the industry’s leader in wireless customer growth. Mr. Sambar brings extensive experience in scaling new business segments, with a track record of designing, engineering and operating next-generation mobile and fiber networks, including from his tenure as President, Network of AT&T. He holds an MBA from the University of Southern California and is a graduate of the U.S. Naval Academy. He served more than 20 years in the U.S. Navy, including seven years on active duty.
“I am honored to join T-Mobile’s exceptional leadership team at a time when the company is redefining the industry through bold innovation,” said Mr. Sambar. “T-Mobile’s relentless customer-first spirit is exactly what I believe will define the next generation of business technology and connectivity, and I look forward to helping unlock new growth opportunities while building on the company’s pioneering legacy and track record.”
T-Mobile also announced that Mike Katz, its Chief Business & Product Officer, has decided to step away and pursue new professional interests. He will remain in a strategic advisory role through December 2026 to support a seamless transition. Added Mr. Gopalan: “I extend my sincere gratitude to Mike for his incredible contributions to T-Mobile over his 20-plus years. Mike helped shape the Un-carrier movement and has been a driving force of so many of the bold moves that have transformed our company and our industry. Millions of consumers benefit every day from Mike’s vision and his commitment to dare to do things differently.”
Continued Mr. Gopalan: “T-Mobile has incredible opportunity ahead as we continue to exceed the ambitious goals we’ve set for ourselves and set a new standard for our industry. I’m confident that our leadership team’s long-term vision will drive sustained growth for T-Mobile and develop bold new offerings for our customers.”
About T-Mobile
As the supercharged Un-carrier, T-Mobile US, Inc. (NASDAQ: TMUS) is powered by an award-winning 5G network that connects more people, in more places, than ever before. With T-Mobile’s unique value proposition of best network, best value and best experiences, the Un-carrier is redefining connectivity and fueling competition while continuing to drive the next wave of innovation in wireless and beyond. Headquartered in Bellevue, Wash., T-Mobile provides services through its subsidiaries and operates its flagship brands, T-Mobile, Metro by T-Mobile and Mint Mobile. For more information, visit https://www.t-mobile.com.
Forward-Looking Statements
This communication includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact, including information concerning T-Mobile US, Inc.’s upcoming leadership transition and future results of operations, are forward-looking statements. These forward-looking statements are generally identified by the words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “could” or similar expressions.
Forward-looking statements are based on current expectations and assumptions, which are subject to risks and uncertainties and may cause actual results to differ materially from the forward-looking statements. Important factors that could affect future results and cause those results to differ materially from those expressed in the forward-looking statements include, among others, the following: competition, industry consolidation and changes in the market for wireless communications services and other forms of connectivity; cyberattacks, disruptions, data loss or other security
breaches; our inability to adopt and deploy technologies in a timely and effective manner; our inability to effectively execute our digital initiatives and drive customer and employee adoption of emerging technologies; our inability to retain or motivate key personnel, hire qualified personnel or maintain our corporate culture; system failures and business disruptions, allowing for unauthorized use of or interference with our network and other systems; the scarcity and cost of additional wireless spectrum, and regulations relating to spectrum use; the timing and effects of any pending and future acquisition, investment, joint venture, merger or divestiture involving us, including our inability to obtain any required regulatory approval necessary to consummate any such transactions or to achieve the expected benefits of such transactions; adverse economic, political or market conditions in the U.S. and international markets, including changes resulting from increases in oil prices, inflation or interest rates, tariffs and trade restrictions, supply chain disruptions, fluctuations in global currencies, immigration policies, and impacts of geopolitical instability, such as global conflict, wars and further escalations thereof; operational delays, higher procurement costs, such as memory chip cost impacts on smartphones, and operational costs, and increased regulatory and compliance complexities, for example, as a result of changes to trade policies, including higher tariffs, restrictions and other economic disincentives to trade; our inability to successfully deliver new products and services; any failure or inability of our third parties (including key suppliers) to provide products or services for the operation of our business; sociopolitical volatility and polarization and risks related to environmental, social and governance matters; our substantial level of indebtedness and our inability to service our debt obligations in accordance with their terms; changes in the credit market conditions, credit rating downgrades or an inability to access debt markets; our inability to maintain effective internal control over financial reporting; compliance with the current regulatory framework, including our national security obligations, and any changes in regulations or in the regulatory framework under which we operate; laws and regulations relating to the handling of privacy, data protection and artificial intelligence; unfavorable outcomes of and increased costs from existing or future regulatory or legal proceedings; difficulties in protecting our intellectual property rights or if we infringe on the intellectual property rights of others; our offering of regulated financial services products and exposure to a wide variety of state and federal regulations; new or amended tax laws or regulations or administrative interpretations and judicial decisions affecting the scope or application of tax laws or regulations; our wireless licenses, including those controlled through leasing agreements, are subject to renewal and may be revoked; our exclusive forum provision as provided in our Certificate of Incorporation; interests of Deutsche Telekom AG (“DT”), our controlling stockholder, which may differ from the interests of other stockholders; our current and future stockholder return programs may not be fully utilized, and our share repurchases and dividend payments pursuant thereto may fail to have the desired impact on stockholder value; future sales of our common stock by DT and our inability to attract additional equity financing outside the United States due to foreign ownership limitations by the Federal Communications Commission; and other risks as disclosed in our most recent annual report on Form 10-K, and subsequent Forms 10-Q and other filings with the Securities and Exchange Commission. Given these risks and uncertainties, readers are cautioned not to place undue reliance on such forward-looking statements. We undertake no obligation to revise or publicly release the results of any revision to these forward-looking statements, except as required by law.
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