Bill Ackman

Bill Ackman
Ackman in 2016
Born
William Albert Ackman

(1966-05-11) May 11, 1966
EducationHarvard University (BA, MBA)
OccupationHedge fund manager
Title
Spouses
Karen Herskovitz
(m. 1994; div. 2018)
(m. 2019)
Children4
FatherLawrence D. Ackman
Websitepershingsquarecapital.com
Signature

William Albert Ackman (born May 11, 1966) is an American billionaire hedge fund manager who is the founder and chief executive of Pershing Square Capital Management, an investment management company. He has been described as an activist investor. As of July 2025, Ackman's net worth was estimated at $9 billion by Forbes.

A long-time donor to Democratic candidates and organizations, Ackman endorsed Donald Trump in the 2024 United States presidential election. Ackman has been an active supporter of Israel, particularly following the October 7 attacks, criticizing the 2024 pro-Palestinian protests on university campuses.