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T-Mobile's Overview

Total employees67000
HeadquartersBellevue
Founded1994

T-Mobile US, Inc. is a leading American wireless network operator, renowned for its 'Un-carrier' strategy aimed at disrupting the mobile industry. The company provides wireless voice and data services, a rapidly expanding nationwide 5G network, and high-speed internet services (fixed wireless and fiber). T-Mobile focuses on delivering affordable, innovative telecommunications solutions and a superior customer experience. Following its merger with Sprint, T-Mobile has solidified its position as one of the largest and fastest-growing wireless carriers in the United States, committed to enhancing connectivity and competition.

Where is T-Mobile's Headquarters?

HQ Function

Serves as the primary center for T-Mobile's strategic decision-making, corporate operations, technology development (including 5G innovation), marketing initiatives, and executive leadership for its U.S. operations.

Notable Features:

A modern, expansive campus designed to foster collaboration and innovation. It features open-plan workspaces, advanced technology labs, extensive employee amenities such as fitness centers and cafes, and reflects a commitment to sustainability in its design and operations.

Work Culture:

T-Mobile's Bellevue headquarters is known for its vibrant, high-energy 'Un-carrier' culture. It emphasizes customer obsession, disruptive thinking, diversity, and inclusion, encouraging employees to be bold, take ownership, and work collaboratively in a fast-paced environment.

HQ Significance:

The Bellevue headquarters is central to T-Mobile's U.S. strategy and brand identity. It's the nerve center for network expansion, technological advancements, and customer-focused initiatives that define its competitive edge in the telecommunications market.

Values Reflected in HQ: The headquarters' design, amenities, and operational ethos mirror T-Mobile's core values: Customer Obsession, Be Bold, Play to Win, We're In This Together, and Deliver Results.

Location:

T-Mobile US primarily concentrates its network and retail operations within the United States, Puerto Rico, and the U.S. Virgin Islands, offering robust nationwide 5G coverage. While its direct operational footprint is U.S.-centric, its parent company, Deutsche Telekom (headquartered in Germany), maintains a vast global presence. T-Mobile US customers enjoy extensive international roaming capabilities through Deutsche Telekom's global network and numerous partnerships with carriers worldwide, ensuring connectivity in most countries.

Street Address:

12920 SE 38th Street

City:

Bellevue

State/Province:

Washington

Country:

United States

T-Mobile's Global Presence

Overland Park, Kansas, United States

Address: 6200 Sprint Parkway, Overland Park, KS 66251

Supports T-Mobile's nationwide network infrastructure and serves as a key center for Midwest operations, technical talent, and various corporate functions.

Frisco, Texas, United States

Address: 3560 Dallas Pkwy, Frisco, TX 75034

Supports T-Mobile's growth in the southern United States and acts as a hub for technological development and customer engagement, tapping into the Dallas-Fort Worth area's rich tech talent.

Reston, Virginia, United States

Address: 12524 Sunrise Valley Dr, Reston, VA 20191

Serves as a key strategic location for engaging with federal agencies and supporting T-Mobile's business and network operations on the East Coast.

Buying Intent Signals for T-Mobile

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of T-Mobile

As of April 2025, T-Mobile' leadership includes:

G. Michael (Mike) Sievert - President and Chief Executive Officer
Peter Osvaldik - Executive Vice President & Chief Financial Officer
Ulf Ewaldsson - President, Technology
Mike Katz - President, Marketing, Strategy & Products
Jon Freier - President, T-Mobile Consumer Group
Callie Field - President, T-Mobile Business Group
Deeanne King - Executive Vice President & Chief People Officer
Mark W. Nelson - Executive Vice President, General Counsel & Secretary

Investors of T-Mobile

T-Mobile has been backed by several prominent investors over the years, including:

Deutsche Telekom AG (Majority Shareholder)
The Vanguard Group, Inc.
BlackRock, Inc.
State Street Global Advisors (SSgA Funds Management, Inc.)
SoftBank Group Corp. (Historically significant, current stake varies)

Executive New Hires/Exits in the Last 12 Months

Hire2
Exits1

In the past year, T-Mobile has experienced key leadership evolutions, particularly within its technology and marketing divisions. These changes reflect the company's strategic focus on advancing its 5G leadership, enhancing product strategy, and ensuring robust succession planning to drive future growth.

Departures

Neville Ray, Neville Ray transitioned from his executive role as President of Technology to a strategic advisor capacity, marking a significant change in T-Mobile's technology leadership.

New Appointments:

Ulf Ewaldsson, Ulf Ewaldsson was appointed as President, Technology, responsible for spearheading T-Mobile's network leadership and innovation.
Mike Katz, Mike Katz was appointed to the newly expanded role of President, Marketing, Strategy & Products, to drive integrated go-to-market strategies.

Technology (Tech Stack) used by T-Mobile

Discover the tools T-Mobile uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

T-Mobile Email Formats and Examples

T-Mobile primarily uses a consistent email format for its corporate employees, which is helpful for professional communication. The most common structure is 'firstname.lastname@t-mobile.com'. While minor variations might exist for some individuals or departments, this format has a high success rate for outreach.

firstname.lastname@t-mobile.com

Format

mike.sievert@t-mobile.com

Example

90%

Success rate

News and media

T-Mobile Newsroom2024-05-01

T-Mobile News: T-Mobile and EQT Announce Joint Venture to Acquire Lumos and Scale Fiber Optic Network

T-Mobile and EQT, a global investment organization, announced a joint venture to acquire Lumos, a fiber optic internet and home phone service provider. T-Mobile will invest approximately $950 million in the JV, aiming to accelerate Lumos's fiber network expansion and bring high-speed internet to more homes and businesses....more

T-Mobile Newsroom2024-04-25

T-Mobile News: T-Mobile Reports Strong Q1 2024 Results with Industry-Leading Customer Growth

T-Mobile announced robust Q1 2024 financial results, highlighting industry-leading postpaid net account additions and customer growth. The company emphasized its continued 5G network leadership and strong performance in broadband services....more

T-Mobile Newsroom2024-02-01

T-Mobile News: T-Mobile Dominates Q4 2023 Network Performance Reports

T-Mobile announced that it once again swept third-party network performance reports in Q4 2023, being recognized for the fastest overall network speeds, widest 5G availability, and most consistent network performance across the United States....more

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