AT&T vs Pfizer: 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. Pfizer was founded in 1849 by Charles Pfizer, Charles Erhart and is led by Albert Bourla.
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.
Pfizer
Charles Pfizer
Pfizer possesses a historic, immigrant founding story, rooted entirely in the rapid industrial expansion of 19th-century Brooklyn and defined by an effective, intensely meticulous German chemist and his ambitious confectioner cousin.
Charles Erhart
Charles Erhart's role in Pfizer's founding is less celebrated than his cousin's, partly because the company carries Charles Pfizer's name and partly because his commercial contributions were less visible than the scientific achievements that drove the company'…
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
Pfizer
- Ian Read2010–2018
Chief Executive Officer
He ruthlessly cut R&D spending and eliminated tens of thousands of jobs, significantly boosting short-term earnings per share despite massive patent cliffs for blockbuster drugs like Lipitor.
Source - Albert Bourla2019–present
Chairman and Chief Executive Officer
A veterinarian by training who joined Pfizer Animal Health in 1993, Bourla became CEO on January 1, 2019 and Chairman in 2020.
Source - Dave Denton2022–2026
Chief Financial Officer
As CFO, he aggressively restructured the balance sheet following the Seagen acquisition, prioritizing debt reduction while defending the dividend.
Source - Chris Boshoff2025–present
Chief Scientific Officer and President, Research & Development
He completely restructured the research and development organization to focus on antibody-drug conjugates (ADCs), aggressively expanding Pfizer's pipeline of cancer therapeutics.
Source - Cecile Guegan2026–present
Interim Chief Financial Officer
She modernized the company's internal auditing and compliance structures, ensuring rapid but safe clinical execution for high-priority vaccine programs.
Source
Timeline: AT&T and Pfizer side by side
1849Pfizer
Pfizer Founded
Charles Pfizer and Charles Erhart founded the company in Brooklyn.
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.
1944Pfizer
Penicillin Scale-Up
Pfizer helped industrialize penicillin production during World War II.
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…
1998Pfizer
Viagra Approved
The FDA approved Viagra in 1998.
2000Pfizer
Warner-Lambert Deal
Pfizer acquired Warner-Lambert, adding Lipitor.
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.
2019Pfizer
Albert Bourla becomes CEO
Albert Bourla became CEO of Pfizer in 2019. A veterinarian by training who joined Pfizer Animal Health in 1993, Bourla became CEO on January 1, 2019 and Chairman in 2020.
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.
2020Pfizer
BioNTech COVID Vaccine Partnership
Pfizer and BioNTech brought Comirnaty through emergency authorization.
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.
2023Pfizer
Seagen Acquisition
Pfizer completed the $43 billion Seagen acquisition.
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.
2025Pfizer
Chris Boshoff Becomes CSO
Chris Boshoff became Chief Scientific Officer and President, Research & Development effective January 1, 2025.
2025Pfizer
Metsera Acquisition
Pfizer completed its acquisition of obesity drug developer Metsera in November 2025 for up to about $10 billion including CVRs.
2025Pfizer
FY2025 Revenue Base
Pfizer reported $62.579 billion of FY2025 revenue.
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.
2026Pfizer
Innovent Oncology Collaboration
Pfizer signed a 12-program cancer collaboration with Innovent Biologics: $650 million upfront and up to $9.85 billion in milestones.
Acquisitions
AT&T
- Lumen Mass Markets Fiber Business2026$5.8B
- Time Warner2018$85.4B
- DirecTV2015$48.5B
- BellSouth2006$86B
- AT&T Corporation2005$16B
Pfizer
- Metsera, Inc.2025$7B
- Seagen Inc.2023$43B
- Medivation Inc.2016$14B
- Wyeth2009$68B
- Pharmacia Corporation2003$60B
- Warner-Lambert Company2000$111B
Questions about AT&T vs Pfizer
Who is the CEO of AT&T Inc. and Pfizer Inc.?
AT&T Inc. is led by John Stankey and Pfizer Inc. is led by Albert Bourla. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was AT&T Inc. founded vs Pfizer Inc.?
Pfizer Inc. was founded in 1849 — 36 years before AT&T Inc., which was founded in 1885. Pfizer Inc.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger AT&T Inc..
How many employees does AT&T Inc. have compared to Pfizer Inc.?
AT&T Inc. employs approximately 133,030 people, while Pfizer Inc. employs approximately 75,000. AT&T Inc. has the larger workforce at 133,030 employees, compared to Pfizer Inc.'s 75,000. 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 Pfizer Inc. headquartered?
Both AT&T Inc. and Pfizer Inc. are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded AT&T Inc. and Pfizer Inc.?
AT&T Inc. was founded by Alexander Graham Bell, Gardiner Greene Hubbard, Thomas Sanders. Pfizer Inc. was founded by Charles Pfizer, Charles Erhart.
Which company has a longer operating history — AT&T Inc. or Pfizer Inc.?
Pfizer Inc. has been operating for approximately 177 years, making it the more established of the two companies. AT&T Inc. has been in operation for around 141 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 Pfizer overview