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IBM vs Oracle: Founders, CEOs and History

IBM was founded in 1911 by Charles Ranlett Flint and is led by Arvind Krishna. Oracle was founded in 1977 by Lawrence Joseph Ellison, Robert Nimrod Miner, Edward A. Oates and is led by Clay Magouyrk and Mike Sicilia.

Company facts

IBM

Founded
1911
Headquarters
Armonk, New York
Current CEO
Arvind Krishna
Employees
264,300

Oracle

Founded
1977
Headquarters
Austin, Texas, United States
Current CEO
Clay Magouyrk and Mike Sicilia
Employees
141,000

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…

IBM founders in full

Oracle

  • Lawrence Joseph Ellison

    Oracle possesses arguably the most aggressive, intensely competitive, and controversial founding story in the entire history of Silicon Valley, rooted entirely in a CIA contract and driven by arguably the most competitive billionaire in American business histo…

  • Robert Nimrod Miner

    Bob Miner co-founded Oracle and served as the central technical architect behind the company's early database products. While Ellison drove sales and strategy, Miner focused on making the software work for demanding customers.

  • Edward A. Oates

    Ed Oates co-founded Oracle in 1977 and played an important role in the company's early technical and product formation. He helped the young company take relational database concepts and present them in an usable, commercially credible way.

Oracle founders in full

CEOs and their tenures

IBM

  1. 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
  2. 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
  3. 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
  4. 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
  5. Arvind Krishna2020–present

    Chairman and CEO

    Krishna, a long-time IBM Research and software executive, led the Red Hat acquisition before becoming CEO.

    Source
IBM CEO history in full

Oracle

  1. Larry Ellison1977–present

    Co-founder, Chairman and Chief Technology Officer

    As the legendary Founder and CTO, he maintains absolute, tyrannical control over the company's strategic direction, fiercely driving its massive pivot toward cloud computing and artificial intelligence.

    Source
  2. Safra Catz2014–2025

    Executive Vice Chair (CEO 2014-2025)

    Served as co-CEO from 2014 and sole CEO from 2019 until September 2025, when she became executive vice chair of the board.

    Source
  3. Hilary Maxson2021–present

    Chief Financial Officer

    She brings critical global financial expertise to the board's massive capital allocation strategies.

    Source
  4. Clay Magouyrk2025–present

    Co-Chief Executive Officer

    Previously president of Oracle Cloud Infrastructure, where he led the OCI build-out from its early engineering team. Named co-CEO on September 22, 2025 with responsibility tied to Oracle's AI infrastructure expansion.

    Source
  5. Mike Sicilia2025–present

    Co-Chief Executive Officer

    As Executive Vice President of Global Industries, he manages Oracle's massive push into highly specialized vertical software markets, particularly focusing on healthcare and telecommunications.

    Source
Oracle CEO history in full

Timeline: IBM and Oracle side by side

  1. 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.

  2. 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.

  3. 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.

  4. 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.

  5. 1977Oracle

    Oracle Founded

    Larry Ellison, Bob Miner, and Ed Oates founded the company that became Oracle.

  6. 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.

  7. 1986Oracle

    Oracle IPO

    Oracle went public on the Nasdaq in March 1986.

  8. 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.

  9. 1994Oracle

    Acquired Rdb

    Oracle acquired Rdb in 1994.

  10. 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.

  11. 2005Oracle

    Acquired PeopleSoft

    Oracle acquired PeopleSoft for $10.3 billion. Oracle acquired PeopleSoft to significantly expand its enterprise applications portfolio and compete more directly with SAP.

  12. 2008Oracle

    Acquired BEA Systems

    Oracle acquired BEA Systems for $8.5 billion. Oracle acquired BEA Systems to strengthen middleware, application server, and enterprise integration capabilities.

  13. 2010Oracle

    Sun Microsystems Acquisition

    Oracle acquired Sun Microsystems, adding Java, Solaris, and hardware assets.

  14. 2014Oracle

    Ellison Steps Down as CEO

    Larry Ellison stepped down as chief executive in September 2014, and Mark Hurd and Safra Catz became co-CEOs.

  15. 2016Oracle

    Acquired NetSuite

    Oracle acquired NetSuite for $9.3 billion. Oracle acquired NetSuite to strengthen its cloud-native ERP portfolio and reach mid-sized companies that were not ideal buyers for Oracle's traditional enterprise applications.

  16. 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.

  17. 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.

  18. 2022Oracle

    Cerner Acquisition Completed

    Oracle completed the Cerner acquisition and expanded into healthcare data systems.

  19. 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.

  20. 2025Oracle

    Clay Magouyrk and Mike Sicilia Named CEOs

    Oracle promoted Clay Magouyrk and Mike Sicilia to Chief Executive Officers; Safra Catz became Executive Vice Chair.

  21. 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.

  22. 2026Oracle

    $67.357B FY2026 Revenue

    Oracle reported record FY2026 total revenue of $67.357 billion.

  23. 2026Oracle

    Q1 FY2027: $664B RPO

    Oracle reported Q1 FY2027 revenue of $19.3B and RPO of $664B, and completed a $20B at-the-market common stock sale.

Acquisitions

IBM

  • Confluent2026$11B
  • HashiCorp2025$6.4B
  • Apptio2023$4.6B
  • Red Hat2019$34B
  • PricewaterhouseCoopers Consulting2002$3.5B
  • Lotus Development Corporation1995$3.5B
All IBM acquisitions

Oracle

  • Cerner2022$28.3B
  • NetSuite2016$9.3B
  • Sun Microsystems2010$7.4B
  • BEA Systems2008$8.5B
  • Hyperion Solutions2007$3.3B
  • Siebel Systems2006$5.8B
All Oracle acquisitions

Questions about IBM vs Oracle

Who is the CEO of International Business Machines Corporation and Oracle Corporation?

International Business Machines Corporation is led by Arvind Krishna and Oracle Corporation is led by Clay Magouyrk and Mike Sicilia. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.

When was International Business Machines Corporation founded vs Oracle Corporation?

International Business Machines Corporation was founded in 1911 — 66 years before Oracle Corporation, which was founded in 1977. International Business Machines Corporation's longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Oracle Corporation.

How many employees does International Business Machines Corporation have compared to Oracle Corporation?

International Business Machines Corporation employs approximately 264,300 people, while Oracle Corporation employs approximately 141,000. International Business Machines Corporation has the larger workforce at 264,300 employees, compared to Oracle Corporation's 141,000. 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 Oracle Corporation headquartered?

Both International Business Machines Corporation and Oracle Corporation are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.

Who founded International Business Machines Corporation and Oracle Corporation?

International Business Machines Corporation was founded by Charles Ranlett Flint. Oracle Corporation was founded by Lawrence Joseph Ellison, Robert Nimrod Miner, Edward A. Oates.

Which company has a longer operating history — International Business Machines Corporation or Oracle Corporation?

International Business Machines Corporation has been operating for approximately 115 years, making it the more established of the two companies. Oracle Corporation has been in operation for around 49 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 Oracle overview

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.