AT&T vs IBM: 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. IBM was founded in 1911 by Charles Ranlett Flint and is led by Arvind Krishna.
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.
IBM
Charles Ranlett Flint
IBM possesses the most historic, foundational founding story in the entire history of modern computing, tracing its corporate lineage back to the genesis of data processing in the late 19th century and the aggressive, well-known leadership of a single, strong…
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
IBM
- Louis V. Gerstner Jr.1993–2002
Chairman and CEO
Gerstner was the first IBM CEO hired from outside the company, coming from RJR Nabisco and American Express. He cut costs, cut mainframe prices, kept the company whole, and grew services into IBM's largest business.
Source - Samuel J. Palmisano2002–2011
Chairman, President and CEO
IBM focused on higher-margin services and software during his tenure. Ginni Rometty succeeded him in 2012.
Source - Virginia M. Rometty2012–2020
Chairman, President and CEO
IBM sold or exited lower-margin businesses under Rometty and bought Red Hat for about $34 billion. Arvind Krishna succeeded her in 2020.
Source - James J. Kavanaugh2018–present
Senior Vice President, Finance and Operations, and Chief Financial Officer
Kavanaugh is IBM's main voice on free cash flow targets, which reached $14.7 billion in FY2025.
Source - Arvind Krishna2020–present
Chairman and CEO
Krishna, a long-time IBM Research and software executive, led the Red Hat acquisition before becoming CEO.
Source
Timeline: AT&T and IBM 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.
1911IBM
Computing-Tabulating-Recording Company Founded
Charles Ranlett Flint merged the Tabulating Machine Company, International Time Recording Company, Computing Scale Company, and Bundy Manufacturing Company to form CTR - the company that would become IBM.
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.
1924IBM
Renamed to International Business Machines
Under Thomas J. Watson Sr. CTR was renamed International Business Machines Corporation (IBM), reflecting the company's growing international presence and ambition beyond tabulating machines.
1925AT&T
Bell Telephone Laboratories Founded
AT&T and Western Electric consolidated their research into Bell Telephone Laboratories in 1925.
1952IBM
IBM 701 - First Commercial Computer
IBM launched the 701, its first commercially available electronic computer, marking the company's decisive entry into the electronic computing era and beginning its dominance of the mainframe market.
1964IBM
System/360 Launch
IBM launched the System/360, a compatible family of computers spanning all price points. The $5 billion investment was the largest privately funded project at the time and established the mainframe industry standard for decades.
1981IBM
IBM Personal Computer Launch
IBM introduced the IBM PC, which standardized personal computing architecture and created the PC industry. The open architecture decision inadvertently created the Wintel duopoly that would ultimately commoditize IBM's own PC business.
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…
1993IBM
Lou Gerstner Arrives - Turnaround Begins
Louis V. Gerstner Jr. Became CEO as IBM posted $8 billion in losses. His decision to keep IBM intact rather than break it up, and to pivot toward services, saved the company and redefined its business model for the next two decades.
1997IBM
Deep Blue Defeats Kasparov
IBM's Deep Blue supercomputer defeated world chess champion Garry Kasparov, becoming the first computer to beat a reigning world champion in a full match and establishing IBM's brand in artificial intelligence.
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.
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.
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.
2019IBM
Red Hat Acquisition Closes
IBM completed the $34 billion acquisition of Red Hat, the largest software acquisition in history at the time. The deal anchored IBM's hybrid cloud strategy and provided the OpenShift platform as the foundation for enterprise Kubernetes.
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.
2021IBM
Kyndryl Spinoff
IBM spun off its managed infrastructure services business as Kyndryl Holdings, removing approximately $19 billion in low-margin revenue to focus the remaining company on higher-margin software and consulting.
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.
2023IBM
Watsonx Platform Launch
IBM launched watsonx, its enterprise AI and data platform combining foundation models (Granite), data management (watsonx.data), and AI governance (watsonx.governance). The platform represents IBM's AI strategy for the generative AI era.
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.
2026IBM
Confluent Acquisition Closes
IBM completed its roughly $11 billion acquisition of Confluent, adding real-time data streaming used by more than 6,500 enterprises to its AI and hybrid cloud software.
Acquisitions
AT&T
- Lumen Mass Markets Fiber Business2026$5.8B
- Time Warner2018$85.4B
- DirecTV2015$48.5B
- BellSouth2006$86B
- AT&T Corporation2005$16B
IBM
- Confluent2026$11B
- HashiCorp2025$6.4B
- Apptio2023$4.6B
- Red Hat2019$34B
- PricewaterhouseCoopers Consulting2002$3.5B
- Lotus Development Corporation1995$3.5B
Questions about AT&T vs IBM
Who is the CEO of AT&T Inc. and International Business Machines Corporation?
AT&T Inc. is led by John Stankey and International Business Machines Corporation is led by Arvind Krishna. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was AT&T Inc. founded vs International Business Machines Corporation?
AT&T Inc. was founded in 1885 — 26 years before International Business Machines Corporation, which was founded in 1911. AT&T Inc.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger International Business Machines Corporation.
How many employees does AT&T Inc. have compared to International Business Machines Corporation?
AT&T Inc. employs approximately 133,030 people, while International Business Machines Corporation employs approximately 264,300. International Business Machines Corporation has the larger workforce at 264,300 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 International Business Machines Corporation headquartered?
Both AT&T Inc. and International Business Machines Corporation are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded AT&T Inc. and International Business Machines Corporation?
AT&T Inc. was founded by Alexander Graham Bell, Gardiner Greene Hubbard, Thomas Sanders. International Business Machines Corporation was founded by Charles Ranlett Flint.
Which company has a longer operating history — AT&T Inc. or International Business Machines Corporation?
AT&T Inc. has been operating for approximately 141 years, making it the more established of the two companies. International Business Machines Corporation has been in operation for around 115 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 IBM overview