Duquesne Capital Management LLC is a hedge-fund company founded by Stanley Druckenmiller. Drunkenmiller made a name for himself as the manager of the Quantum Fund for George Soros. He left Soros in 2000 to focuses solely on Duquesne Capital.
The Pittsburgh-based firm is winding down after a period of lackluster performance. Druckenmiller is a lifelong fan of his hometown football team, the Pittsburgh Steelers. He withdrew a bid to buy a controlling stake in the team in 2008. He is ranked No. 164 on Forbes magazine's 2009 list of the world’s richest people. His net worth is $3.5 billion.
Duquesne Capital supports several charitable organizations. Stanley Druckenmiller is chairman of the board of the Harlem Children’s Zone, a nonprofit, community-based organization that works to enhance the quality of life for the children and families in some of New York City's poorest neighborhoods. He is also a principal sponsor of AIDS Walk New York.