Who is Bill Ackman whose three tweets have started a rout in treasury bonds

Billionaire investor Bill Ackman said he covered his short bet on US Treasuries, saying “there is too much risk in the world to remain short bonds at current long-term rates.” “The economy is slowing faster than recent data suggests,” the Pershing Square Capital Management founder wrote in a post on X, the platform formerly known as Twitter. Bill Ackman is the CEO and Portfolio Manager of Pershing Square Capital Management, L.P., an SEC registered investment adviser founded in 2003. Bill Ackman co-founded Gotham Partners Management Co., LLC, an investment adviser that managed public and private equity hedge fund portfolios. Bill Ackman revealed Monday that he shared Baumohl's sentiments, disclosing that he covered his previous bets against Treasuries on his expectation that the war would push more investor dollars towards U.S. Treasuries.