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Pfizer vs SpaceX: Founders, CEOs and History

Pfizer was founded in 1849 by Charles Pfizer, Charles Erhart and is led by Albert Bourla. SpaceX was founded in 2002 by Elon Musk and is led by Elon Musk.

Company facts

Pfizer

Founded
1849
Headquarters
New York, New York
Current CEO
Albert Bourla
Employees
75,000

SpaceX

Founded
2002
Headquarters
Starbase, Texas; major operations in Hawthorne, California
Current CEO
Elon Musk
Employees
22,621

Founders

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'…

Pfizer founders in full

SpaceX

  • Elon Musk

    Elon Reeve Musk was born on June 28, 1971, in Pretoria, South Africa, and emigrated to Canada at age 17 before transferring to the University of Pennsylvania, where he earned dual degrees in economics and physics.

SpaceX founders in full

CEOs and their tenures

Pfizer

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
Pfizer CEO history in full

SpaceX

  1. Elon Musk2002–present

    Founder, CEO & Chief Engineer

    Under Musk, SpaceX became the highest-cadence launch provider and built Starlink into its largest revenue segment. He led the company through its June 12, 2026 IPO, priced at $135 per share and raising $85.7 billion.

    Source
  2. Gwynne Shotwell2002–present

    President and Chief Operating Officer

    As President and COO since 2008, she has managed day-to-day operations and strategic customer relationships, guiding the company to unprecedented launch cadences and billions in recurring Starlink revenues.

    Source
SpaceX CEO history in full

Timeline: Pfizer and SpaceX side by side

  1. 1849Pfizer

    Pfizer Founded

    Charles Pfizer and Charles Erhart founded the company in Brooklyn.

  2. 1944Pfizer

    Penicillin Scale-Up

    Pfizer helped industrialize penicillin production during World War II.

  3. 1998Pfizer

    Viagra Approved

    The FDA approved Viagra in 1998.

  4. 2000Pfizer

    Warner-Lambert Deal

    Pfizer acquired Warner-Lambert, adding Lipitor.

  5. 2002SpaceX

    SpaceX is founded

    Elon Musk founded Space Exploration Technologies Corp. to reduce launch costs and make Mars settlement technically possible.

  6. 2008SpaceX

    Falcon 1 reaches orbit

    Falcon 1 became the first privately developed liquid-fuel rocket to reach orbit, rescuing SpaceX after three failed attempts.

  7. 2012SpaceX

    Dragon reaches the ISS

    Dragon became the first private spacecraft to dock with the International Space Station, proving SpaceX could serve NASA cargo missions.

  8. 2015SpaceX

    Falcon 9 booster landing

    SpaceX landed an orbital-class booster, establishing the technical base for reusable launch economics.

  9. 2017SpaceX

    Orbital booster reflight

    SpaceX reflown an orbital-class booster, pushing reuse from demonstration into operating model.

  10. 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.

  11. 2020Pfizer

    BioNTech COVID Vaccine Partnership

    Pfizer and BioNTech brought Comirnaty through emergency authorization.

  12. 2020SpaceX

    Crew Dragon carries astronauts

    SpaceX became the first private company to carry astronauts to orbit, restoring U.S. crew launch capability.

  13. 2021SpaceX

    Acquired Swarm Technologies

    SpaceX acquired Swarm Technologies.

  14. 2023Pfizer

    Seagen Acquisition

    Pfizer completed the $43 billion Seagen acquisition.

  15. 2023SpaceX

    Starship flight testing begins

    SpaceX conducted the first integrated Starship flight test, starting the high-risk development cycle for its next launch system.

  16. 2025Pfizer

    Chris Boshoff Becomes CSO

    Chris Boshoff became Chief Scientific Officer and President, Research & Development effective January 1, 2025.

  17. 2025Pfizer

    Metsera Acquisition

    Pfizer completed its acquisition of obesity drug developer Metsera in November 2025 for up to about $10 billion including CVRs.

  18. 2025Pfizer

    FY2025 Revenue Base

    Pfizer reported $62.579 billion of FY2025 revenue.

  19. 2025SpaceX

    FY2025 revenue reaches $18.674B

    SpaceX reported $18.674B in FY2025 revenue and a $4.937B net loss in its 2026 prospectus.

  20. 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.

  21. 2026SpaceX

    Prospectus lists SPCX and Starlink scale

    The 2026 prospectus described a Nasdaq listing under SPCX and about 10.3M Starlink subscribers as of March 31, 2026.

Acquisitions

Pfizer

  • Metsera, Inc.2025$7B
  • Seagen Inc.2023$43B
  • Medivation Inc.2016$14B
  • Wyeth2009$68B
  • Pharmacia Corporation2003$60B
  • Warner-Lambert Company2000$111B
All Pfizer acquisitions

SpaceX

  • xAI merger2026Undisclosed
  • Swarm Technologies2021Undisclosed
All SpaceX acquisitions

Questions about Pfizer vs SpaceX

Who is the CEO of Pfizer Inc. and SpaceX?

Pfizer Inc. is led by Albert Bourla and SpaceX is led by Elon Musk. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.

When was Pfizer Inc. founded vs SpaceX?

Pfizer Inc. was founded in 1849 — 153 years before SpaceX, which was founded in 2002. Pfizer Inc.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger SpaceX.

How many employees does Pfizer Inc. have compared to SpaceX?

Pfizer Inc. employs approximately 75,000 people, while SpaceX employs approximately 22,621. Pfizer Inc. has the larger workforce at 75,000 employees, compared to SpaceX's 22,621. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).

Where are Pfizer Inc. and SpaceX headquartered?

Both Pfizer Inc. and SpaceX are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.

Who founded Pfizer Inc. and SpaceX?

Pfizer Inc. was founded by Charles Pfizer, Charles Erhart. SpaceX was founded by Elon Musk.

Which company has a longer operating history — Pfizer Inc. or SpaceX?

Pfizer Inc. has been operating for approximately 177 years, making it the more established of the two companies. SpaceX has been in operation for around 24 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 Pfizer vs SpaceX 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.