William Albert Ackman (born May 11, 1966) is an American investor and hedge fund manager. He is the founder and CEO of Pershing Square Capital Management, a hedge fund management company. Ackman has been considered an engaged activist investor, which is long-term in nature..
Ackman was raised in Chappaqua, New York, the son of Ronnie I. (née Posner) and Lawrence David Ackman, the chairman of a New York real estate financing firm, Ackman-Ziff Real Estate Group.
He is Ashkenazi Jewish. In 1988, he received a Bachelor of Arts degree magna cum laude in the Committee on Degrees in Social Studies from Harvard College. His thesis was “Scaling the Ivy Wall: the Jewish and Asian American Experience in Harvard Admissions.” In 1992, he received an MBA from Harvard Business School.