Bill Ackman

William Albert Ackman is the founder and chief executive officer of Pershing Square Capital Management, an investment management company. He is widely recognized as an activist investor within the financial sector. As of April 2026, Bloomberg estimated his net worth to be approximately $8 billion.

Ackman has historically engaged in political philanthropy, serving as a long-time donor to Democratic candidates and organizations. However, he shifted his political positioning for the 2024 United States presidential election by endorsing Donald Trump. His public engagement also extends to advocacy regarding international relations and domestic academic discourse.

Following the October 7 attacks, Ackman has been a prominent and active supporter of Israel. In the context of American higher education, he has publicly criticized the 2024 pro-Palestinian protests occurring on university campuses. These activities reflect his broader involvement in contemporary geopolitical and social debates.