Bill Ackman, one of Wall Street's most influential hedge fund managers is pioneering a relatively young investment movement that mixes business strategy with philanthropy, yielding massive impact in the world. As the founder and CEO of Pershing Square Capital Management and one of the most prominent players in field, he is applying his entrepreneurial talents to work in the social good sector, setting a new standard for impact investing and helping to solve some of the world's most difficult problems.
Our 2024 Coverage Needs You
Support HuffPost
Already contributed? Log in to hide these messages.