Stephen P. MacMillan

Stephen P. MacMillan
At the WEF Annual Meeting in 2025
Born1964 (age 61–62)
New Jersey, United States
EducationDavidson College
OccupationBusiness executive
Known forChairman, president and chief executive officer of Hologic
Spouse(s)
Amy MacMillan
(m. 1987; div. 2011)
, Jennifer MacMillan nee Koch

Stephen P. MacMillan (born 1964) is an American business executive who is the chairman, president and chief executive officer of Hologic, a medical device and diagnostic manufacturing company headquartered in Marlborough, Massachusetts. He is the former CEO of Stryker Corporation, another medical device manufacturer headquartered in Kalamazoo, Michigan.