The following section provides information on Hologic Inc’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Hologic Inc's management and employees, unlock the full data with our company analytics monitoring tool.


Stephen P. MacMillan

Chairman; President; Chief Executive Officer Executive Board Since: 2015 Age: 58

Mr. Stephen P. MacMillan has been the Chairman of Hologic since June 2015 and the President and Chief Executive Officer since December 2013. Prior to this, he served as the President and the Chief Executive Officer of Stryker Corporation from 2005 to 2012, and as the President since 2003. Previously, Mr. MacMillan was a Senior Executive with Pharmacia Corporation. Prior to joining Pharmacia, he served 11 years at Johnson & Johnson in various senior roles in the U.S. and in Europe. Mr. MacMillan started his career with Procter and Gamble in 1985.

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Karleen M. Oberton

Chief Financial Officer Senior Management Since: 2018 Age: 52

Ms. Karleen M. Oberton has been the Chief Financial Officer of Hologic since August 2018. Prior to this, she served as the Chief Accounting Officer of the company since 2014. She joined the company as the Corporate Controller in 2006. In her current position, she is responsible for the global finance organization, including controllership functions, financial planning and analysis, and shared services. Prior to joining Hologic, Ms. Oberton served as the Senior Corporate Controller of Immunogen from 2004 to 2006. Prior to that, she served as Senior Audit Manager in Ernst Young’s Life Science practice and also in Arthur Andersen’s High Technology practice.

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Jay A. Stein

Chief Technical Officer; Senior Vice President Senior Management Since: 2007 Age: 77

Dr. Jay A. Stein has been the Chief Technical Officer and the Senior Vice President of the company since 2007. Prior to this, he served as the Executive Vice President, the Chief Technical Officer of Hologic since October 1985. He also served as the Chairman of the company from June 2001 to November 2002. In addition, he served as the company's interim Chief Executive Officer. Prior to co-founding Hologic, Dr. Stein served as the Vice President and the Technical Director of Diagnostic Technology, Inc. (DTI), which he co-founded in 1981. Currently, he also serves as a co-founder and Chairman of Emeritus.

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Jennifer Meade

Division President- Breast and Skeletal Health Solutions Senior Management Since: 2020

Essex Mitchell

Division President- GYN Surgical Solutions Senior Management Since: 2020
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