Bill Ackman

Founder and CEO

William A. Ackman is the chief executive officer of  Pershing Square Capital Management and also serves as its portfolio manager.   He may be best  known for his “massive short” on Herbalife — a  weight loss and nutritional supplement – which Ackerman believes is a pyramid scheme, and which is the subject of the film, BETTING ON ZERO.



October 7, 2016
Screening: Betting on Zero
The Smithsonian’s National Portrait Gallery