IBM vs Pfizer: Founders, CEOs and History
IBM was founded in 1911 by Charles Ranlett Flint and is led by Arvind Krishna. Pfizer was founded in 1849 by Charles Pfizer, Charles Erhart and is led by Albert Bourla.
Company facts
Founders
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…
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
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
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: IBM and Pfizer side by side
1849Pfizer
Pfizer Founded
Charles Pfizer and Charles Erhart founded the company in Brooklyn.
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.
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.
1944Pfizer
Penicillin Scale-Up
Pfizer helped industrialize penicillin production during World War II.
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.
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.
1998Pfizer
Viagra Approved
The FDA approved Viagra in 1998.
2000Pfizer
Warner-Lambert Deal
Pfizer acquired Warner-Lambert, adding Lipitor.
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.
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.
2020Pfizer
BioNTech COVID Vaccine Partnership
Pfizer and BioNTech brought Comirnaty through emergency authorization.
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.
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.
2023Pfizer
Seagen Acquisition
Pfizer completed the $43 billion Seagen acquisition.
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.
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.
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
IBM
- Confluent2026$11B
- HashiCorp2025$6.4B
- Apptio2023$4.6B
- Red Hat2019$34B
- PricewaterhouseCoopers Consulting2002$3.5B
- Lotus Development Corporation1995$3.5B
Pfizer
- Metsera, Inc.2025$7B
- Seagen Inc.2023$43B
- Medivation Inc.2016$14B
- Wyeth2009$68B
- Pharmacia Corporation2003$60B
- Warner-Lambert Company2000$111B
Questions about IBM vs Pfizer
Who is the CEO of International Business Machines Corporation and Pfizer Inc.?
International Business Machines Corporation is led by Arvind Krishna 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 International Business Machines Corporation founded vs Pfizer Inc.?
Pfizer Inc. was founded in 1849 — 62 years before International Business Machines Corporation, which was founded in 1911. Pfizer 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 International Business Machines Corporation have compared to Pfizer Inc.?
International Business Machines Corporation employs approximately 264,300 people, while Pfizer Inc. employs approximately 75,000. International Business Machines Corporation has the larger workforce at 264,300 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 International Business Machines Corporation and Pfizer Inc. headquartered?
Both International Business Machines Corporation and Pfizer Inc. are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded International Business Machines Corporation and Pfizer Inc.?
International Business Machines Corporation was founded by Charles Ranlett Flint. Pfizer Inc. was founded by Charles Pfizer, Charles Erhart.
Which company has a longer operating history — International Business Machines Corporation or Pfizer Inc.?
Pfizer Inc. has been operating for approximately 177 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 IBM vs Pfizer overview