American billionaire hedge fund manager.
Founded investment management firm Leads Paulson & Co in 1996.
John Paulson’s prominence and fortune were made in 2007 when he earned around $4 billion by using credit default swaps to effectively bet against the US subprime mortgage lending market.
John Paulson - Wikipedia
“The Greatest Trade Ever: The Behind-The-Scenes Story of How John Paulson Defied Wall Street and Changed Financial History” - Gregory Zuckerman via Google Books