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AstraZeneca vs Microsoft: Founders, CEOs and History

AstraZeneca was founded in 1999 by Sir David Barnes, Håkan Mogren and is led by Pascal Soriot. Microsoft was founded in 1975 by Bill Gates, Paul Allen and is led by Satya Nadella.

Company facts

AstraZeneca

Founded
1999
Headquarters
Cambridge, England
Current CEO
Pascal Soriot
Employees
96,100

Microsoft

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

Founders

AstraZeneca

  • Sir David Barnes

    Sir David Barnes was chief executive of Zeneca Group plc, the company created when Imperial Chemical Industries demerged its pharmaceuticals, agrochemicals and specialty chemicals businesses in 1993, and he led the Zeneca side of the negotiations that produced…

  • Håkan Mogren

    Håkan Mogren was chief executive of Astra AB and negotiated the Swedish side of the 1999 merger with Zeneca Group alongside Sir David Barnes.

AstraZeneca 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

AstraZeneca

  1. Tom McKillop1999–2006

    Chief Executive Officer

    McKillop led AstraZeneca from the 1999 merger through the Nexium launch and the first biotech acquisitions.

    Source
  2. David Brennan2006–2012

    Chief Executive Officer

    Brennan led AstraZeneca through the start of the patent cliff and favoured cost-cutting and share buybacks over pipeline investment.

    Source
  3. Pascal Soriot2012–present

    Chief Executive Officer

    Soriot took over a company whose revenue was falling toward $25.7 billion and has taken Total Revenue to $58.7 billion, with 16 blockbuster medicines.

    Source
AstraZeneca 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: AstraZeneca and Microsoft side by side

  1. 1913AstraZeneca

    Astra AB Founded in Södertälje, Sweden

    400 doctors and apothecaries establish Astra AB to manufacture pharmaceuticals for the Swedish market, creating the foundation for what would become one of Europe's largest drug companies.

  2. 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.

  3. 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.

  4. 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.

  5. 1986Microsoft

    Microsoft IPO

    Microsoft went public on the Nasdaq in March 1986.

  6. 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.

  7. 1993AstraZeneca

    Zeneca Group Spun Off from ICI

    Imperial Chemical Industries demerges its pharmaceuticals and agrochemicals businesses to form Zeneca Group PLC, with initial products including Zestril, Nolvadex, and Zoladex generating approximately $3.2 billion in annual sales.

  8. 1995Microsoft

    Windows 95 Released

    Microsoft released Windows 95 in August 1995.

  9. 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.

  10. 1999AstraZeneca

    Astra and Zeneca Merge to Form AstraZeneca

    The all-share merger of equals completes on 6 April 1999, creating AstraZeneca PLC.

  11. 2000AstraZeneca

    Nexium Launch Replaces Prilosec

    AstraZeneca launches Nexium (esomeprazole), the single-isomer successor to Losec/Prilosec, in Europe in 2000 and in the United States in 2001 after FDA approval on 20 February 2001.

  12. 2006AstraZeneca

    Acquisition of Cambridge Antibody Technology

    AstraZeneca agrees in May 2006 to buy Cambridge Antibody Technology for 1,320 pence a share, valuing the UK biotech at 702 million pounds or about $1.32 billion.

  13. 2007AstraZeneca

    Acquisition of MedImmune for $15.6 Billion

    AstraZeneca acquires MedImmune for $15.6 billion, entering the biologics market and gaining the Synagis respiratory syncytial virus franchise and antibody technology platforms. The Gaithersburg facility becomes one of three global R&D centres.

  14. 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.

  15. 2012AstraZeneca

    Pascal Soriot Appointed CEO

    Pascal Soriot joins AstraZeneca as Chief Executive Officer on October 1, 2012, with a base salary of $1.4 million and a mandate to reverse declining revenue and R&D productivity through science-led investment.

  16. 2014AstraZeneca

    Pfizer Hostile Takeover Rejected

    AstraZeneca's board rejects a $117 billion hostile takeover offer from Pfizer, with Soriot arguing that the undervaluation would destroy long-term shareholder value and pipeline potential.

  17. 2014AstraZeneca

    Acquisition of Almirall Respiratory Portfolio

    AstraZeneca acquires the respiratory portfolio of Spanish pharmaceutical company Almirall for approximately $2.1 billion, strengthening the company's position in COPD and asthma with products including Eklira and pipeline candidates that become Breztri.

  18. 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.

  19. 2015AstraZeneca

    Tagrisso Approved for EGFR-Mutated Lung Cancer

    The FDA approves Tagrisso (osimertinib) in November 2015 for metastatic EGFR T790M mutation-positive non-small cell lung cancer, the first product from Soriot's reinvestment strategy to reach market.

  20. 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.

  21. 2017AstraZeneca

    Imfinzi Approved Based on PACIFIC Trial

    The FDA approves Imfinzi (durvalumab) for unresectable stage III non-small cell lung cancer after chemoradiation, based on PACIFIC trial data showing survival benefits.

  22. 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.

  23. 2020AstraZeneca

    COVID-19 Vaccine Development with Oxford University

    AstraZeneca partners with the University of Oxford to develop and manufacture the Vaxzevria COVID-19 vaccine, distributing billions of doses globally at nonprofit pricing during the pandemic peak.

  24. 2021AstraZeneca

    Acquisition of Alexion Pharmaceuticals for $39 Billion

    AstraZeneca completes the $39 billion acquisition of Alexion on July 21, 2021, entering the rare disease market with Soliris and Ultomiris and creating a dedicated rare disease unit headquartered in Boston.

  25. 2023AstraZeneca

    CinCor Pharma Acquired for up to $1.8 Billion

    AstraZeneca agrees on 9 January 2023 to acquire CinCor Pharma for up to $1.8 billion, $26 per share in cash plus a $10 per share contingent value right, to gain baxdrostat, an aldosterone synthase inhibitor for resistant hypertension.

  26. 2023Microsoft

    AI Leadership

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

  27. 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.

  28. 2024AstraZeneca

    Total Revenue Reaches $54.073 Billion

    AstraZeneca reports Total Revenue of $54.073 billion for fiscal year 2024, an 18% increase at actual rates and 21% at constant exchange rates, with 16 blockbuster medicines, 74 regulatory events, and 24 pipeline progression events.

  29. 2024AstraZeneca

    Fusion Pharmaceuticals and Gracell Acquisitions

    AstraZeneca acquires Fusion Pharmaceuticals for $2 billion to access radiopharmaceutical technology and Gracell Biotechnologies for $1.2 billion for cell therapy manufacturing, expanding modality diversity into radiopharmaceuticals and CAR-T.

  30. 2025AstraZeneca

    Total Revenue Reaches $58.739 Billion

    AstraZeneca reports Total Revenue of $58.739 billion for fiscal year 2025, an 8% increase at constant exchange rates, with 16 positive Phase III readouts, 43 major market approvals, and a commitment to invest $50 billion in U.S. manufacturing by 2030.

  31. 2025AstraZeneca

    EsoBiotec Acquired for Up to $1 Billion

    AstraZeneca acquires Belgian biotech EsoBiotec for up to $1 billion to access in vivo cell therapy technology, eliminating the need for ex vivo manufacturing in CAR-T therapies.

  32. 2025AstraZeneca

    $50 Billion US Manufacturing and R&D Commitment

    AstraZeneca announces on 21 July 2025 that it will invest $50 billion in United States manufacturing and research by 2030, including a new Virginia facility later raised to $4.5 billion.

  33. 2026AstraZeneca

    Ordinary Shares Begin Trading on the NYSE

    AstraZeneca ordinary shares start trading on the New York Stock Exchange on 2 February 2026 under the ticker AZN, after the American Depositary Share programme and certain debt securities stopped trading on Nasdaq on 30 January 2026.

  34. 2026AstraZeneca

    Baxfendy Approved in the US for Hypertension

    The FDA approves Baxfendy (baxdrostat) in May 2026 as the first aldosterone synthase inhibitor for hypertension, used in combination with other antihypertensives in adults who are not adequately controlled.

  35. 2026AstraZeneca

    $15 Billion China Investment Through 2030

    AstraZeneca announces on 29 January 2026 that it will invest $15 billion in China through 2030 to expand manufacturing and research, in a market that is its second largest and about 12% of revenue.

Acquisitions

AstraZeneca

  • EsoBiotec2025$1B
  • Fusion Pharmaceuticals2024$2B
  • Gracell Biotechnologies2024$1.2B
  • CinCor Pharma2023$1.8B
  • Alexion Pharmaceuticals2021$39B
  • Almirall Respiratory Portfolio2014$2.1B
All AstraZeneca 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 AstraZeneca vs Microsoft

Who is the CEO of AstraZeneca PLC and Microsoft Corporation?

AstraZeneca PLC is led by Pascal Soriot 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 AstraZeneca PLC founded vs Microsoft Corporation?

Microsoft Corporation was founded in 1975 — 24 years before AstraZeneca PLC, which was founded in 1999. Microsoft Corporation's longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger AstraZeneca PLC.

How many employees does AstraZeneca PLC have compared to Microsoft Corporation?

AstraZeneca PLC employs approximately 96,100 people, while Microsoft Corporation employs approximately 223,000. Microsoft Corporation has the larger workforce at 223,000 employees, compared to AstraZeneca PLC's 96,100. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).

Where are AstraZeneca PLC and Microsoft Corporation headquartered?

AstraZeneca PLC is headquartered in United Kingdom and Microsoft Corporation is headquartered in United States. Their different home markets mean they may face different regulatory frameworks, tax regimes, and currency exposure.

Who founded AstraZeneca PLC and Microsoft Corporation?

AstraZeneca PLC was founded by Sir David Barnes, Håkan Mogren. Microsoft Corporation was founded by Bill Gates, Paul Allen.

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

Microsoft Corporation has been operating for approximately 51 years, making it the more established of the two companies. AstraZeneca PLC has been in operation for around 27 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 AstraZeneca 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.