AT&T vs Microsoft: Founders, CEOs and History
AT&T was founded in 1885 by Alexander Graham Bell, Gardiner Greene Hubbard, Thomas Sanders and is led by John Stankey. Microsoft was founded in 1975 by Bill Gates, Paul Allen and is led by Satya Nadella.
Company facts
Founders
AT&T
Alexander Graham Bell
AT&T possesses the most influential founding mythology in the history of global communications. The company's origin is directly tied to the single most important invention of the 19th century: the telephone.
Gardiner Greene Hubbard
Gardiner Greene Hubbard gave the early Bell enterprise its business spine. He helped finance Bell's experiments, organized the commercial structure around the telephone patents, served as the first president of the Bell Telephone Company, and pushed the invent…
Thomas Sanders
Thomas Sanders helped turn the telephone from a laboratory promise into a fundable business opportunity. By backing Bell's experiments, he accepted the risk that voice transmission might remain a novelty or be crushed by stronger incumbents.
Microsoft
Bill Gates
Microsoft was founded in 1975 in Albuquerque, New Mexico, by Bill Gates and Paul Allen, childhood friends from Seattle who had spent their teenage years finding ways to get free time on mainframe computers.
Paul Allen
Paul Allen co-founded Microsoft and was crucial to its earliest technical and strategic decisions. He helped develop Altair BASIC, gave the company its original name, and participated in the operating-system opportunity that led to MS-DOS.
CEOs and their tenures
AT&T
- Theodore N. Vail1885–1887
President (CEO)
Vail built his reputation running the US Railway Mail Service, becoming its general superintendent in 1876 and modernizing its logistics, before Bell Telephone recruited him in 1878 as general manager specifically because of that operational expertise.
Source - Edward Whitacre Jr.1990–2007
CEO
Whitacre earned an industrial-engineering degree from Texas Tech University in 1964 and joined Southwestern Bell that same year as a facility engineer in Lubbock, Texas, spending his entire four-decade career at the company and its successors.
Source - Randall L. Stephenson2007–2020
CEO
Stephenson earned an accounting degree from the University of Central Oklahoma and a master's in accountancy from the University of Oklahoma before joining Southwestern Bell in 1982, rising through finance roles including CFO before becoming AT&T's COO under W…
Source - John T. Stankey2020–present
CEO
Stankey earned a finance degree from Loyola Marymount University in 1985 and an MBA from UCLA in 1991, then spent his entire career at Pacific Bell, SBC, and AT&T, rising through operations and technology roles before running AT&T's entertainment group during…
Source
Microsoft
- Bill Gates1975–2000
Co-founder and CEO
Gates built Microsoft's licensing model: software sold to many hardware makers rather than tied to one.
Source - Steve Ballmer2000–2014
CEO
Ballmer grew revenue from about $23 billion in FY2000 to about $78 billion in FY2013 and built the enterprise server and sales business that Azure later scaled on.
Source - Satya Nadella2014–present
Chairman and CEO
Nadella made Azure and Microsoft 365 the company's core, opened Microsoft to Linux and open source, and positioned it early in generative AI through OpenAI.
Source
Timeline: AT&T and Microsoft side by side
1885AT&T
AT&T Founded as the Bell System Long-Distance Arm
American Telephone and Telegraph was incorporated in 1885 to build and operate long-distance telephone lines for the Bell system.
1913AT&T
Kingsbury Commitment
The Kingsbury Commitment settled a major antitrust threat. AT&T agreed to divest its Western Union holdings, connect independent telephone companies to its long-distance network and seek approval for further acquisitions.
1925AT&T
Bell Telephone Laboratories Founded
AT&T and Western Electric consolidated their research into Bell Telephone Laboratories in 1925.
1975Microsoft
Microsoft Founded
Bill Gates and Paul Allen founded Microsoft after recognizing that the Altair 8800 needed usable programming software. Their first product, Altair BASIC, turned a hobbyist computer kit into a programmable platform.
1981Microsoft
MS-DOS Ships With IBM PC
IBM introduced its personal computer with MS-DOS 1.0 and other Microsoft products. The milestone mattered because Microsoft's operating-system work moved from a small software supplier's project into the emerging corporate PC standard.
1984AT&T
Bell System Breakup Takes Effect
Divestiture took effect on January 1, 1984 under the 1982 consent decree. AT&T gave up the local exchange operations that had produced most of its revenue, which became seven regional Bell operating companies, and kept long distance, Western Electric and Bell…
1985Microsoft
Windows Launch
The release of Windows 1.0 began Microsoft's long move from command-line operating systems to graphical personal computing. The first version was not an instant blockbuster, but it gave Microsoft a user-interface path that could evolve with PC hardware.
1986Microsoft
Microsoft IPO
Microsoft went public on the Nasdaq in March 1986.
1990Microsoft
Office Suite Release
The bundling of Word, Excel, and PowerPoint into Microsoft Office created a productivity suite that became central to business work. The bundle simplified enterprise purchasing and made file compatibility a competitive weapon.
1995Microsoft
Windows 95 Released
Microsoft released Windows 95 in August 1995.
1998Microsoft
U.S. Antitrust Case
The U.S. Department of Justice accused Microsoft of using Windows power to suppress browser competition. The case mattered because it placed Microsoft's platform tactics under public and legal scrutiny at the height of its PC strong position.
2005AT&T
SBC Acquires AT&T Corporation and Takes the Name
SBC Communications, one of the regional companies created by the 1984 breakup, acquired AT&T Corporation in 2005 for about $16 billion and adopted the AT&T name.
2007AT&T
Exclusive US iPhone Launch Carrier
AT&T, then operating wireless under the Cingular brand, was the exclusive U.S. carrier for Apple's first iPhone in 2007.
2010Microsoft
Azure Commercial Launch
Azure gave Microsoft a way to compete in cloud infrastructure as enterprise customers began shifting workloads away from company-owned servers.
2014Microsoft
Satya Nadella CEO
Satya Nadella became CEO and moved Microsoft away from a strategy that forced every product to serve Windows. He prioritized Azure, Microsoft 365, open source, Linux support, cross-platform software, and a more collaborative developer posture.
2015AT&T
DirecTV Acquisition Completed
AT&T completed the DirecTV purchase on July 24, 2015 for $48.5 billion, about $67 billion including assumed debt, betting that satellite video would reinforce telecom relationships.
2016Microsoft
LinkedIn Acquisition
Microsoft agreed to acquire LinkedIn in 2016 for $26.2 billion in cash. The deal mattered because it added a professional identity network to a company already strong in Office, Dynamics, cloud services, recruiting tools, advertising, and enterprise sales.
2018AT&T
Time Warner Acquisition Completed
AT&T completed the $85.4 billion Time Warner purchase on June 14, 2018, two days after a federal judge rejected the Justice Department challenge. The deal brought HBO, Warner Bros.
2018Microsoft
GitHub Acquisition
Microsoft acquired GitHub for $7.5 billion in stock, reversing years of developer skepticism toward the company. The acquisition placed Microsoft inside the daily workflow of software developers across languages, clouds, and operating systems.
2020AT&T
John T. Stankey Becomes CEO
John T. Stankey became chief executive on July 1, 2020, inheriting high debt, a media portfolio under pressure and a shifting broadband market.
2022AT&T
WarnerMedia Separated and Merged with Discovery
AT&T separated WarnerMedia in April 2022 and combined it with Discovery to create Warner Bros. Discovery, receiving cash and debt relief of about $40.4 billion.
2023AT&T
$14 Billion Open RAN Contract with Ericsson
In December 2023 AT&T committed roughly $14 billion over five years to Ericsson to deploy commercial-scale open radio access network equipment, with a target of carrying 70% of its wireless traffic on open-capable platforms by late 2026.
2023Microsoft
AI Leadership
Microsoft's expanded OpenAI partnership and Copilot product rollout placed the company at the center of enterprise generative AI adoption.
2023Microsoft
Activision Blizzard Acquisition Closes
Microsoft completed the Activision Blizzard acquisition after intense regulatory review. The deal added Call of Duty, World of Warcraft, Diablo, Overwatch, Candy Crush, and other franchises to Microsoft Gaming.
2025AT&T
DIRECTV Exit Completed
AT&T closed the sale of its entire remaining 70% DIRECTV stake to TPG on July 2, 2025, recording a $5.6 billion gain.
2025AT&T
Fiber Network Passes 30 Million Locations
AT&T said in October 2025 that its fiber network had passed more than 30 million consumer and business locations, ahead of its own schedule, and finished the year at 32.0 million.
2026AT&T
Lumen Fiber and EchoStar Spectrum Deals Close
AT&T completed two large network purchases in 2026. In February it closed the $5.75 billion acquisition of Lumen's mass markets fiber business, adding more than 1 million subscribers and more than 4 million fiber locations in eleven states.
Acquisitions
AT&T
- Lumen Mass Markets Fiber Business2026$5.8B
- Time Warner2018$85.4B
- DirecTV2015$48.5B
- BellSouth2006$86B
- AT&T Corporation2005$16B
Microsoft
- Activision Blizzard2023$68.7B
- Nuance Communications2022$19.7B
- ZeniMax Media2021$7.5B
- GitHub2018$7.5B
- LinkedIn2016$26.2B
Questions about AT&T vs Microsoft
Who is the CEO of AT&T Inc. and Microsoft Corporation?
AT&T Inc. is led by John Stankey and Microsoft Corporation is led by Satya Nadella. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was AT&T Inc. founded vs Microsoft Corporation?
AT&T Inc. was founded in 1885 — 90 years before Microsoft Corporation, which was founded in 1975. AT&T Inc.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Microsoft Corporation.
How many employees does AT&T Inc. have compared to Microsoft Corporation?
AT&T Inc. employs approximately 133,030 people, while Microsoft Corporation employs approximately 223,000. Microsoft Corporation has the larger workforce at 223,000 employees, compared to AT&T Inc.'s 133,030. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are AT&T Inc. and Microsoft Corporation headquartered?
Both AT&T Inc. and Microsoft Corporation are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded AT&T Inc. and Microsoft Corporation?
AT&T Inc. was founded by Alexander Graham Bell, Gardiner Greene Hubbard, Thomas Sanders. Microsoft Corporation was founded by Bill Gates, Paul Allen.
Which company has a longer operating history — AT&T Inc. or Microsoft Corporation?
AT&T Inc. has been operating for approximately 141 years, making it the more established of the two companies. Microsoft Corporation has been in operation for around 51 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.
Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the AT&T vs Microsoft overview