Einhorn (born November 20, 1968) is an American investor, hedge fund manager, and philanthropist.
He is the founder and president of Greenlight Capital, a "long-short value-oriented hedge fund."Born in New Jersey, Einhorn graduated from Cornell University in 1991 and moved to Westchester, New York, to start his fund.
He started his fund in 1996 with $900,000 and has generated 16.5% annualized return for investors from 1996 to 2016.
Greenlight Capital's assets under management has decreased from approximately US$12 billion in 2014 to about $5.5 billion as reported in July 2018 as the fund is down 11.3 from 2014 through the end of 2017, and a further 34% in 2018.
He has received extensive coverage in the financial press for his fund's performance, his investing strategy and his positions.Einhorn was ranked 44th in the Time 100 most influential list of people in the world in 2013.
According to Forbes Magazine, Einhorn has a net worth of US$700 million (as of March 2019), after several years of steep losses for his fund.