Role at Hologic, Inc.
Pioneering medical technology engineer and entrepreneur who co-founded Hologic in 1985 to advance radiological and diagnostic imaging.
Hologic, Inc.
Medical TechnologyFounded 1985- HQ today: Marlborough, Massachusetts
Reviewed by Swet Parvadiya
Company data updated: November 2026
Founders
Who Founded Hologic?
S. David Ellenbogen, Jay A. Stein · Founded 1985 · HQ today: Marlborough, Massachusetts
Who founded Hologic?
Hologic was founded by S. David Ellenbogen, Jay A. Stein in 1985. It is now led by Stephen P. MacMillan.
- Founders
- S. David Ellenbogen, Jay A. Stein
- Founded
- 1985
- Headquarters
- Marlborough, Massachusetts
- Number of founders
- 2
- Current CEO
- Stephen P. MacMillan
- Where was Hologic founded?
- Hologic was founded in Marlborough, Massachusetts in 1985.
- When was Hologic founded?
- Hologic was founded in 1985.
- Who started Hologic?
- Hologic was founded by S. David Ellenbogen and Jay A. Stein.
- How old is Hologic?
- Hologic is 41 years old as of 2026.
Founding Story
In 1985, visionary scientists S. David Ellenbogen and Jay A. Stein established Hologic in Marlborough, Massachusetts, with the ambitious goal of applying advanced radiological and imaging technologies to early disease detection. Starting with pioneering bone densitometry systems to diagnose osteoporosis, the founders laid the engineering foundation for a company dedicated to addressing critical, underserved clinical needs in healthcare.
What each Hologic founder did
| Founder | Role at founding | Contribution |
|---|---|---|
| S. David Ellenbogen | Co-Founder | — |
| Jay A. Stein | Co-Founder & Former Chief Technology Officer | — |
Role at Hologic, Inc.
Visionary physicist and technologist who drove Hologic's core imaging innovations, including bone densitometry and early digital X-ray systems.
Hologic, Inc.: CEO & Leadership History
Full timeline →Stephen P. MacMillan
Chairman, President and Chief Executive Officer
Karleen Oberton
Chief Financial Officer
Erik Anderson
President, Breast and Skeletal Health
Jennifer Bennington
President, Diagnostics Solutions
Essex Mitchell
President, GYN Surgical and Medical Aesthetics
Keep researching Hologic
Who Founded Hologic? FAQ
Who founded Hologic and in what year?
Hologic was co-founded in 1985 by S. David Ellenbogen and Jay A. Stein in Marlborough, Massachusetts, with a shared vision to revolutionize diagnostic imaging and early disease detection.
What was the initial product or focus of Hologic when founded?
In its earliest years, Hologic focused primarily on pioneering advanced bone densitometry systems used to measure bone mineral density and diagnose osteoporosis with high clinical precision.
What challenges did Hologic's founders face in the early years?
The founders navigated the classic startup challenges of securing venture capital, commercializing complex radiological hardware, and competing against established medical equipment conglomerates in hospitals.
How did the founders' vision shape Hologic's long-term trajectory?
Ellenbogen and Stein's unwavering commitment to early disease detection and proprietary technological differentiation created the corporate DNA that enabled Hologic to expand into breast health and molecular diagnostics.
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