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Hologic, Inc.

Leadership History

Hologic: CEO History

4 leaders · Full leadership timeline

Who is the CEO of Hologic?

Stephen P. MacMillan is the CEO of Hologic.

Current CEO
Stephen P. MacMillan
Leaders documented
5
Founded
1985
NameRoleFromToYears in role
Stephen P. MacMillanChairman, President and Chief Executive Officer—Present—
Erik AndersonPresident, Breast and Skeletal Health—Present—
Jennifer BenningtonPresident, Diagnostics Solutions—Present—
Essex MitchellPresident, GYN Surgical and Medical Aesthetics—Present—

Company Overview

Founded in 1985 in Marlborough, Massachusetts by S. David Ellenbogen and Jay A. Stein, Hologic began with a pioneering focus on bone densitometry. Over the subsequent four decades, the company transformed into a global healthcare powerhouse through strategic technological innovation and landmark acquisitions—most notably acquiring Cytyc in 2007 for $6.2 billion (securing the ThinPrep Pap test and NovaSure) and Gen-Probe in 2012 for $3.7 billion (securing the Panther and Aptima molecular diagnostics franchise). Today, Hologic touches the lives of hundreds of millions of women worldwide. As the global vanguard in women health, Hologic serves healthcare providers across more than 100 countries, delivering cutting-edge technologies that detect breast cancer earlier, diagnose infectious diseases with high molecular specificity, and treat gynecologic conditions with minimally invasive surgical systems.

Hologic operates a high-margin, razor-and-blade business model anchored by proprietary capital equipment placements (such as Panther and Dimensions mammography systems) that drive predictable, recurring consumable revenues through high-throughput molecular assays, biopsy needles, and surgical disposables. This synergistic model ensures robust customer stickiness, high switching costs, and strong operating profitability.

Stephen P. MacMillan

Chairman, President and Chief Executive Officer

Erik Anderson

President, Breast and Skeletal Health

Jennifer Bennington

President, Diagnostics Solutions

Essex Mitchell

President, GYN Surgical and Medical Aesthetics

Other senior executives

These officers report to the chief executive and are not part of the CEO timeline above.

  • Karleen Oberton, Chief Financial Officer

Challenges & Strategic Context

Hologic faces ongoing macroeconomic volatility, supply chain pressures for precision optical and electronic components, healthcare staffing shortages impacting hospital capital spending, and intense global competition from diversified medtech giants such as GE HealthCare and Siemens Healthineers.

Hologic CEO and Leadership FAQ

Who is the CEO of Hologic and when did he take office?

Stephen P. MacMillan has served as President and Chief Executive Officer of Hologic since December 2013, and assumed the role of Chairman of the Board in 2016.

What has been Stephen MacMillan's impact on Hologic?

Under MacMillan's leadership, Hologic successfully streamlined its operating portfolio, accelerated organic R&D innovation, completed accretive acquisitions like Mobidiag and Bolder Surgical, and achieved record profitability and cash flow.

Who directs Hologic's financial strategy?

Karleen Oberton serves as Chief Financial Officer, directing Hologic's global financial strategy, capital allocation, treasury operations, and investor relations.

How is Hologic's executive leadership structured across business units?

Hologic's leadership includes dedicated division presidents overseeing Breast Health (Erik Anderson), Diagnostics Solutions (Jennifer Bennington), and GYN Surgical (Essex Mitchell), ensuring specialized operational focus.

Related Leadership Timelines

Compare executive leadership tenures and strategic transitions

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.