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Amphenol vs Roche: Founders, CEOs and History

Amphenol was founded in 1932 by Arthur J. Schmitt and is led by R. Adam Norwitt. Roche was founded in 1896 by Fritz Hoffmann-La Roche and is led by Thomas Schinecker.

Company facts

Amphenol

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

Roche

Founded
1896
Headquarters
Basel, Switzerland
Current CEO
Thomas Schinecker
Employees
112,774

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

Roche

  • Fritz Hoffmann-La Roche

    Fritz Hoffmann-La Roche (1868-1920) founded F. Hoffmann-La Roche & Co. in Basel on 1 October 1896, at age 28.

Roche 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

Roche

  1. Severin Schwan2008–2023

    Chief Executive Officer

    Serving as CEO from 2008 to 2023, he cemented Roche's absolute dominance in global oncology and highly advanced diagnostics before moving to Chairman of the Board.

    Source
  2. Thomas Schinecker2023–present

    Chief Executive Officer

    Under Schinecker, Roche returned to growth after the COVID testing decline: 2025 sales rose 7% at constant rates to ~$73.8 billion (CHF 61.5 billion) and 12 late-stage studies read out positively that year.

    Source
Roche CEO history in full

Timeline: Amphenol and Roche side by side

  1. 1896Roche

    F. Hoffmann-La Roche Founded in Basel

    Fritz Hoffmann-La Roche founds the enterprise in Basel, Switzerland, pioneering mass-manufactured, chemically standardized prescription pharmaceuticals.

  2. 1898Roche

    Commercial Breakthrough with Sirolin

    Roche launches non-prescription cough syrup Sirolin, achieving widespread international distribution and financing early clinical laboratories.

  3. 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.

  4. 1934Roche

    First Industrial Synthesis of Vitamin C

    Roche becomes the first company to mass-produce synthetic Vitamin C (Redoxon) at industrial scale, anchoring decades of high-margin global cash flow.

  5. 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.

  6. 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.

  7. 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.

  8. 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.

  9. 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.

  10. 1957Amphenol

    NYSE listing

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

  11. 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.

  12. 1963Roche

    Launch of Valium (Diazepam)

    Roche introduces Valium, which becomes the world's most widely prescribed psychotropic medication and establishes global pharmaceutical leadership.

  13. 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.

  14. 1968Roche

    Establishment of Roche Diagnostics

    Roche launches its dedicated diagnostic division, laying the foundation to become the world's preeminent in-vitro diagnostics (IVD) provider.

  15. 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.

  16. 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.

  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. 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.

  19. 2008Roche

    Severin Schwan becomes CEO

    Severin Schwan became CEO of F. Hoffmann-La Roche in 2008. Led Roche for 14 years; handed over to Thomas Schinecker in March 2023 and became chairman.

  20. 2009Roche

    Full Acquisition of Genentech for $46.8 Billion

    Roche completes its historic $46.8 billion buyout of American biotechnology pioneer Genentech, securing market leadership in oncology biologics.

  21. 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.

  22. 2018Roche

    Foundation Medicine & Flatiron Health Acquisitions

    Roche acquires Foundation Medicine and Flatiron Health, integrating real-world oncology data analytics and genomic profiling into personalized healthcare.

  23. 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.

  24. 2023Roche

    Acquired Telavant

    F. Hoffmann-La Roche acquired Telavant for $7.1 billion. Roche paid $7.1 billion upfront for Telavant to gain US and Japan rights to the anti-TL1A antibody RVT-3101 (afimkibart) for inflammatory bowel disease.

  25. 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.

  26. 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.

  27. 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.

  28. 2025Roche

    Group Sales Reach CHF 61.5 Billion

    Under CEO Thomas Schinecker, Roche delivers group sales of ~$73.8 billion (CHF 61.5 billion), driven by ~$57.2B (CHF 47.7B) in Pharmaceuticals and ~$16.6B (CHF 13.8B) in Diagnostics.

  29. 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.

  30. 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

Roche

  • PathAI2026$1.1B
  • 89bio2025$3.5B
  • Telavant2023$7.1B
  • Carmot Therapeutics2023$2.7B
  • Foundation Medicine2018$2.4B
  • ForSight VISION42017Undisclosed
All Roche acquisitions

Questions about Amphenol vs Roche

Who is the CEO of Amphenol Corporation and F. Hoffmann-La Roche AG?

Amphenol Corporation is led by R. Adam Norwitt and F. Hoffmann-La Roche AG is led by Thomas Schinecker. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.

When was Amphenol Corporation founded vs F. Hoffmann-La Roche AG?

F. Hoffmann-La Roche AG was founded in 1896 — 36 years before Amphenol Corporation, which was founded in 1932. F. Hoffmann-La Roche AG's longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Amphenol Corporation.

How many employees does Amphenol Corporation have compared to F. Hoffmann-La Roche AG?

Amphenol Corporation employs approximately 170,000 people, while F. Hoffmann-La Roche AG employs approximately 112,774. Amphenol Corporation has the larger workforce at 170,000 employees, compared to F. Hoffmann-La Roche AG's 112,774. 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 F. Hoffmann-La Roche AG headquartered?

Amphenol Corporation is headquartered in United States and F. Hoffmann-La Roche AG is headquartered in Switzerland. Their different home markets mean they may face different regulatory frameworks, tax regimes, and currency exposure.

Who founded Amphenol Corporation and F. Hoffmann-La Roche AG?

Amphenol Corporation was founded by Arthur J. Schmitt. F. Hoffmann-La Roche AG was founded by Fritz Hoffmann-La Roche.

Which company has a longer operating history — Amphenol Corporation or F. Hoffmann-La Roche AG?

F. Hoffmann-La Roche AG has been operating for approximately 130 years, making it the more established of the two companies. Amphenol Corporation has been in operation for around 94 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 Roche 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.