31 Greg Coffey
GLG Partners
$300 million
Greg Coffey, a chronically unsung hero at London-based GLG Partners, made his biggest gains last year betting against the U.S. dollar and subprime debt and loans, and going long in Asian equities. Since joining GLG in November 2003 from a George Soros–-backed hedge fund, he has been the firm’s best-performing manager, overseeing the GLG Emerging Markets Fund.