The Agony of Dan Zwirn

The hedge fund wunderkind battles to keep his once-$6 billion hedge fund empire alive.


Daniel Zwirn was on top of the world. It was the summer of 2006, and Zwirn, just 35, was hedge fund royalty. In five short years he had built D.B. Zwirn & Co., a New York–based firm specializing in making loans to small and midsize companies, from nothing into a $5 billion empire with 260 employees spread among 16 offices from San Francisco to Singapore.

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