Bristol-Myers Squibb vs Microsoft: Founders, CEOs and History
Bristol-Myers Squibb was founded in 1887 by Edward Robinson Squibb, William McLaren Bristol, John Ripley Myers and is led by Christopher Boerner. Microsoft was founded in 1975 by Bill Gates, Paul Allen and is led by Satya Nadella.
Company facts
Bristol-Myers Squibb
- Founded
- 1887
- Headquarters
- Princeton, New Jersey
- Current CEO
- Christopher Boerner
- Employees
- 32,500
Microsoft
- Founded
- 1975
- Headquarters
- Redmond, Washington, United States
- Current CEO
- Satya Nadella
- Employees
- 223,000
Founders
Bristol-Myers Squibb
Edward Robinson Squibb
Squibb resigned his Navy post and opened a small laboratory in Brooklyn in 1858 to make pure ether, chloroform and other medicines.
William McLaren Bristol
In 1887 Bristol and Myers bought the Clinton Pharmaceutical Company of Clinton, New York, reportedly for about $5,000.
John Ripley Myers
Myers and Bristol bought the Clinton Pharmaceutical Company in Clinton, New York, in 1887 and renamed it Bristol, Myers and Company in 1898.
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.
CEOs and their tenures
Bristol-Myers Squibb
- Charles A. Heimbold Jr.1994–2001
Chief Executive Officer
Serving as CEO from 1994 to 2001, he aggressively expanded the company's oncology portfolio, notably launching the blockbuster cancer drug Taxol, which drove massive revenue growth.
Source - Peter R. Dolan2001–2006
Chief Executive Officer
Dolan, who had run the consumer products and medical device divisions, succeeded Charles Heimbold in May 2001. His tenure included the ImClone partnership on the cancer drug Erbitux and a federal investigation into wholesaler inventory practices.
Source - James M. Cornelius2006–2010
Chief Executive Officer
Cornelius took over after Peter Dolan's removal in September 2006 and ran the company until May 2010.
Source - Lamberto Andreotti2010–2015
Chief Executive Officer
Andreotti, previously president and chief operating officer, became CEO on May 4, 2010.
Source - Giovanni Caforio2015–2023
Chief Executive Officer
Caforio, a physician, succeeded Lamberto Andreotti in May 2015. He led the $74 billion Celgene acquisition in 2019, the $13.1 billion MyoKardia deal in 2020 and the $4.1 billion Turning Point deal in 2022, and agreed the Mirati purchase in October 2023.
Source - Chris Boerner2023–present
Board Chair and Chief Executive Officer
Boerner became CEO in November 2023 and board chair on April 1, 2024, after serving as executive vice president, chief operating officer and CEO-designate from April 2023 and earlier as chief commercialization officer.
Source
Microsoft
- 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 - 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 - 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
Timeline: Bristol-Myers Squibb and Microsoft side by side
1858Bristol-Myers Squibb
Edward Robinson Squibb opens his Brooklyn laboratory
Navy surgeon Edward Robinson Squibb started making pure ether and other medicines in Brooklyn. The laboratory burned down on Christmas Eve 1858 and reopened in 1859 after local doctors and surgeons contributed $2,100.
1887Bristol-Myers Squibb
Bristol and Myers buy the Clinton Pharmaceutical Company
Hamilton College graduates William McLaren Bristol and John Ripley Myers bought the Clinton Pharmaceutical Company of Clinton, New York, the business that became Bristol-Myers.
1898Bristol-Myers Squibb
Bristol, Myers and Company is named
The founders renamed the business Bristol, Myers and Company in May 1898. After Myers died in 1899 it became Bristol-Myers, which built national brands in Sal Hepatica and, from 1901, Ipana toothpaste.
1944Bristol-Myers Squibb
Penicillin at wartime scale
Squibb opened what was then the world's largest penicillin plant in New Brunswick, New Jersey. Bristol-Myers had bought Cheplin Biological Laboratories in East Syracuse, New York, in 1943 and converted it to penicillin for Allied forces.
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.
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.
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.
1986Microsoft
Microsoft IPO
Microsoft went public on the Nasdaq in March 1986.
1989Bristol-Myers Squibb
Bristol-Myers and Squibb merge
Bristol-Myers and Squibb combined to form Bristol-Myers Squibb, uniting a consumer and pharmaceutical company with a research-led drugmaker.
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.
1995Microsoft
Windows 95 Released
Microsoft released Windows 95 in August 1995.
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.
2006Bristol-Myers Squibb
CEO Peter Dolan removed over the Plavix deal
After an FBI raid in July 2006 over a patent settlement with generic maker Apotex on the blood thinner Plavix, the federal monitor urged the board to remove CEO Peter Dolan, who stepped down on September 12, 2006.
2009Bristol-Myers Squibb
Medarex bought and Mead Johnson split off
BMS bought Medarex, gaining Yervoy and a share of what became Opdivo, and split off Mead Johnson Nutrition in an exchange offer, completing its shift to a specialty biopharmaceutical company.
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.
2011Bristol-Myers Squibb
FDA approves Yervoy
Yervoy (ipilimumab) became the first drug shown to extend overall survival in advanced melanoma, opening BMS's immuno-oncology franchise.
2012Bristol-Myers Squibb
FDA approves Eliquis
The FDA approved Eliquis (apixaban), developed with Pfizer, in December 2012 for stroke prevention in non-valvular atrial fibrillation. It became BMS's largest product, with $14.4 billion of sales in 2025.
2014Bristol-Myers Squibb
FDA approves Opdivo
The FDA approved the PD-1 inhibitor Opdivo (nivolumab) in December 2014 for advanced melanoma. It reached $10.0 billion of sales in 2025.
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.
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.
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.
2019Bristol-Myers Squibb
Celgene acquisition closes
BMS completed its $74 billion purchase of Celgene on November 20, 2019, adding Revlimid, Pomalyst, Reblozyl and CAR-T programs. Celgene sold Otezla to Amgen for $13.4 billion to win regulatory approval.
2020Bristol-Myers Squibb
MyoKardia deal and a GAAP loss
BMS bought MyoKardia for $13.1 billion, gaining mavacamten (Camzyos). The deal's $11.4 billion in-process R&D charge pushed 2020 to a net loss despite $42.5 billion of revenue.
2022Bristol-Myers Squibb
Turning Point bought as Revlimid generics arrive
BMS completed the $4.1 billion purchase of Turning Point Therapeutics in August 2022 while volume-limited generic lenalidomide began eroding Revlimid, which had peaked at $12.8 billion in 2021.
2023Bristol-Myers Squibb
Chris Boerner becomes CEO
Chris Boerner succeeded Giovanni Caforio as chief executive in November 2023 and became board chair on April 1, 2024. Weeks earlier BMS had agreed to buy Mirati, and in December it agreed to buy Karuna and RayzeBio.
2023Microsoft
AI Leadership
Microsoft's expanded OpenAI partnership and Copilot product rollout placed the company at the center of enterprise generative AI adoption.
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.
2024Bristol-Myers Squibb
Karuna, Mirati and RayzeBio close; Cobenfy approved
The three deals closed between January and March 2024. On September 26, 2024 the FDA approved Cobenfy, the first schizophrenia drug that targets muscarinic rather than dopamine receptors. The Karuna charge produced an $8.9 billion net loss for 2024.
2025Bristol-Myers Squibb
BioNTech partnership, Orbital deal and $48.2B revenue
BMS agreed in June 2025 to co-develop BioNTech's bispecific BNT327 and in October 2025 to buy Orbital Therapeutics for $1.5 billion. Full-year revenue was $48.2 billion with the Growth Portfolio up 17 percent.
2026Bristol-Myers Squibb
Guidance raised and merger reports denied
On July 30, 2026 BMS raised its 2026 revenue guidance to $49.0 to $50.0 billion after second-quarter revenue of $12.97 billion. In August, reports of AstraZeneca merger talks were followed by a senior source telling Reuters there were no discussions.
Acquisitions
Bristol-Myers Squibb
- Orbital Therapeutics2025$1.5B
- Mirati Therapeutics2024$4.8B
- RayzeBio2024$4.1B
- Karuna Therapeutics2024$14B
- Turning Point Therapeutics2022$4.1B
- MyoKardia2020$13.1B
Microsoft
- Activision Blizzard2023$68.7B
- Nuance Communications2022$19.7B
- ZeniMax Media2021$7.5B
- GitHub2018$7.5B
- LinkedIn2016$26.2B
Questions about Bristol-Myers Squibb vs Microsoft
Who is the CEO of Bristol-Myers Squibb Company and Microsoft Corporation?
Bristol-Myers Squibb Company is led by Christopher Boerner 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 Bristol-Myers Squibb Company founded vs Microsoft Corporation?
Bristol-Myers Squibb Company was founded in 1887 — 88 years before Microsoft Corporation, which was founded in 1975. Bristol-Myers Squibb Company'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 Bristol-Myers Squibb Company have compared to Microsoft Corporation?
Bristol-Myers Squibb Company employs approximately 32,500 people, while Microsoft Corporation employs approximately 223,000. Microsoft Corporation has the larger workforce at 223,000 employees, compared to Bristol-Myers Squibb Company's 32,500. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Bristol-Myers Squibb Company and Microsoft Corporation headquartered?
Both Bristol-Myers Squibb Company and Microsoft Corporation are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded Bristol-Myers Squibb Company and Microsoft Corporation?
Bristol-Myers Squibb Company was founded by Edward Robinson Squibb, William McLaren Bristol, John Ripley Myers. Microsoft Corporation was founded by Bill Gates, Paul Allen.
Which company has a longer operating history — Bristol-Myers Squibb Company or Microsoft Corporation?
Bristol-Myers Squibb Company has been operating for approximately 139 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 Bristol-Myers Squibb vs Microsoft overview