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Amphenol vs Microsoft: Founders, CEOs and History

Amphenol was founded in 1932 by Arthur J. Schmitt and is led by R. Adam Norwitt. Microsoft was founded in 1975 by Bill Gates, Paul Allen and is led by Satya Nadella.

Company facts

Amphenol

Founded
1932
Headquarters
Wallingford, Connecticut
Current CEO
R. Adam Norwitt
Employees
170,000

Microsoft

Founded
1975
Headquarters
Redmond, Washington, United States
Current CEO
Satya Nadella
Employees
223,000

Founders

Amphenol

  • Arthur J. Schmitt

    Amphenol was founded in Chicago in 1932 by an effective, pragmatic entrepreneur named Arthur J. Schmitt.

Amphenol founders in full

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.

Microsoft founders in full

CEOs and their tenures

Amphenol

  1. Arthur J. Schmitt1932–1964

    Founder and Chief Executive Officer

    Arthur J. Schmitt founded American Phenolic Corporation in Chicago in 1932 and led it as chief executive until 1964.

    Source
  2. Martin H. Loeffler1996–2008

    Former Chief Executive Officer and Chairman

    Martin H. Loeffler was Amphenol's chief executive from 1996 to 2008, president from 1987 to 2006 and chairman of the board from 1997 until he retired from the board at the May 2026 annual meeting.

    Source
  3. R. Adam Norwitt2009–present

    Chairman, President and Chief Executive Officer

    R. Adam Norwitt has been Amphenol's chief executive since January 1, 2009 and added the role of chairman of the board in 2026. Net sales grew from $2.82 billion in 2009 to $23.09 billion in fiscal 2025 and the GAAP operating margin reached a record 25.4%.

    Source
Amphenol CEO history in full

Microsoft

  1. 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
  2. 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
  3. 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
Microsoft CEO history in full

Timeline: Amphenol and Microsoft side by side

  1. 1932Amphenol

    Arthur J. Schmitt founds American Phenolic Corporation

    Arthur J. Schmitt incorporates American Phenolic Corporation in Chicago with a patented molded phenolic radio tube socket, establishing the company's foundation in electronic component manufacturing.

  2. 1936Amphenol

    Introduction of industry-standard 75 series microphone connector and lock-in socket

    Amphenol introduces the 75 series uniform microphone connector and a lock-in socket for radio tubes, both becoming industry standards and attracting RCA as a major customer ordering 10,000 sockets daily.

  3. 1942Amphenol

    Primary supplier of AN connectors for WWII Allied forces

    Amphenol becomes a critical defense supplier, with its 5015 AN circular connectors becoming standard equipment on military aircraft and communications gear; A-N connector shipments increase 13,572% from January 1941 to March 1943.

  4. 1942Amphenol

    Official name change to Amphenol Electronics Corporation

    The company officially changes its name from American Phenolic Corporation to Amphenol Electronics Corporation, formalizing the shorthand name customers had used for years.

  5. 1945Amphenol

    Initial public offering

    Amphenol raises $1.5 million from convertible debentures and sells 345,000 shares at $10 per share, giving the company a $4 million market capitalization and providing capital for post-war diversification.

  6. 1951Amphenol

    Amphenol engineers develop the BNC connector

    Amphenol engineers Paul Neill and Carl Concelman develop the bayonet coupled BNC coaxial connector, which becomes a standard interface in radio frequency and test equipment applications.

  7. 1957Amphenol

    NYSE listing

    Amphenol Electronics Corporation lists on the New York Stock Exchange, marking its transition to a major public industrial company.

  8. 1958Amphenol

    Merger with George W. Borg Corporation

    Amphenol completes its largest transaction to date, merging with the George W. Borg Corporation, a maker of automobile clocks, electronic instruments and deep pile fabrics, and is renamed Amphenol-Borg Electronics Corporation.

  9. 1967Amphenol

    Acquisition by Bunker-Ramo Corporation

    Bunker-Ramo Corporation acquires Amphenol, which begins operating as a subsidiary and passes through successive corporate owners for the next 24 years.

  10. 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.

  11. 1981Amphenol

    Allied Corporation buys Bunker-Ramo for $358 million

    Allied Corporation acquires Bunker-Ramo for $358 million, including the Amphenol division, making Amphenol part of a larger industrial conglomerate.

  12. 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.

  13. 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.

  14. 1986Microsoft

    Microsoft IPO

    Microsoft went public on the Nasdaq in March 1986.

  15. 1987Amphenol

    LPL Investment leveraged buyout for $430 million

    LPL Investment buys Amphenol from Allied in a leveraged buyout valued at $430 million in cash, and the decentralized management style that defines the modern company takes hold. Martin H. Loeffler becomes president in the same year.

  16. 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.

  17. 1991Amphenol

    Second IPO on NYSE under ticker APH

    Amphenol returns to public markets with a second initial public offering on the New York Stock Exchange under ticker APH, beginning the modern era of sustained growth and shareholder returns.

  18. 1995Microsoft

    Windows 95 Released

    Microsoft released Windows 95 in August 1995.

  19. 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.

  20. 2005Amphenol

    Acquisition of Teradyne connector business for $390 million

    Amphenol acquires Teradyne's connection systems business for $390 million in October 2005, expanding its presence in high speed data and backplane connectors for the growing IT datacom market.

  21. 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.

  22. 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.

  23. 2016Amphenol

    Acquisition of FCI Asia for $1.275 billion

    Amphenol acquires FCI Asia from affiliates of Bain Capital for $1.275 billion in January 2016, strengthening its global connector footprint and adding high speed backplane and board-to-board capability.

  24. 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.

  25. 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.

  26. 2021Amphenol

    Acquisition of MTS Systems Corporation for $1.7 billion

    Amphenol acquires MTS Systems for $1.7 billion in April 2021, adding advanced sensor capability that deepens its position in industrial and automotive sensing.

  27. 2023Microsoft

    AI Leadership

    Microsoft's expanded OpenAI partnership and Copilot product rollout placed the company at the center of enterprise generative AI adoption.

  28. 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.

  29. 2024Amphenol

    Acquisition of Carlisle Interconnect Technologies for about $2.0 billion

    Amphenol completes the purchase of Carlisle Interconnect Technologies from Carlisle Companies in May 2024 for about $2.0 billion, expanding aerospace, defense and medical harsh environment interconnect capability.

  30. 2025Amphenol

    Completion of the $2.1 billion CommScope outdoor wireless and DAS purchase

    Amphenol completes the acquisition of CommScope's Outdoor Wireless Networks and Distributed Antenna Systems businesses, including Andrew, for $2.1 billion in cash. The businesses had about $1.2 billion of 2024 sales.

  31. 2025Amphenol

    Record fiscal 2025 revenue of $23.09 billion, up 52%

    Amphenol reports record full year 2025 net sales of $23.09 billion, up 52% year over year and 38% organically, with a 25.4% GAAP operating margin, $4.4 billion of free cash flow and Communications Solutions sales up 91% to about $12.1 billion.

  32. 2026Amphenol

    Completion of the $10.5 billion CommScope CCS acquisition

    Amphenol closes its largest acquisition, buying CommScope's Connectivity and Cable Solutions business for $10.5 billion on January 12, 2026. Amphenol also acquired the CommScope name and expects the business to generate about $4.1 billion of sales in 2026.

  33. 2026Amphenol

    Norwitt named chairman as Loeffler retires from the board

    Amphenol announces on February 4, 2026 that chief executive R. Adam Norwitt will also become chairman of the board at the May 2026 annual meeting, as Martin H. Loeffler retires from the board after more than five decades with the company.

Acquisitions

Amphenol

  • CommScope Connectivity and Cable Solutions (CCS)2026$10.5B
  • CommScope Outdoor Wireless Networks and Distributed Antenna Systems businesses (Andrew)2025$2.1B
  • Rochester Sensors2025Undisclosed
  • Trexon2025$1B
  • Carlisle Interconnect Technologies (CIT)2024$2B
All Amphenol acquisitions

Microsoft

  • Activision Blizzard2023$68.7B
  • Nuance Communications2022$19.7B
  • ZeniMax Media2021$7.5B
  • GitHub2018$7.5B
  • LinkedIn2016$26.2B
All Microsoft acquisitions

Questions about Amphenol vs Microsoft

Who is the CEO of Amphenol Corporation and Microsoft Corporation?

Amphenol Corporation is led by R. Adam Norwitt 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 Amphenol Corporation founded vs Microsoft Corporation?

Amphenol Corporation was founded in 1932 — 43 years before Microsoft Corporation, which was founded in 1975. Amphenol Corporation'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 Amphenol Corporation have compared to Microsoft Corporation?

Amphenol Corporation employs approximately 170,000 people, while Microsoft Corporation employs approximately 223,000. Microsoft Corporation has the larger workforce at 223,000 employees, compared to Amphenol Corporation's 170,000. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).

Where are Amphenol Corporation and Microsoft Corporation headquartered?

Both Amphenol Corporation and Microsoft Corporation are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.

Who founded Amphenol Corporation and Microsoft Corporation?

Amphenol Corporation was founded by Arthur J. Schmitt. Microsoft Corporation was founded by Bill Gates, Paul Allen.

Which company has a longer operating history — Amphenol Corporation or Microsoft Corporation?

Amphenol Corporation has been operating for approximately 94 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 Amphenol vs Microsoft 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.