David Einhorn is the founder and president of Greenlight Capital. See contact routes.
David Einhorn is the founder and president of Greenlight Capital, a long-short value-oriented hedge fund he co-founded in January 1996 after working as an analyst at Donaldson, Lufkin & Jenrette and Siegler, Collery & Co. His investment thesis centers on value-oriented strategies that take both long and short positions to achieve high returns while minimizing capital loss, focusing primarily on publicly traded companies rather than venture capital stages or private sectors. Greenlight Capital manages approximately $2 billion in assets as of late 2023, though Einhorn does not typically disclose specific check sizes or lead/follow behavior for private venture deals since the firm operates as a hedge fund. Notable positions include his famous short bet against Lehman Brothers before its 2008 collapse, which generated significant returns and demonstrated his ability to identify overvalued financial institutions. Einhorn is the author of the book *Fooling Some of the People All of the Time: A Long Short Story*, published in May 2008, which details his investing philosophy and key market battles. His public commentary on stocks often triggers immediate price mo
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