American entrepreneur and stock trader who founded Cilantro Fund Management LLC, which was named as the top-ranked short bias fund by BarclayHedge in 2003. He has been a featured guest on networks like CNN, ABC and CBS and released his book An American Hedge Fund in 2007. He turned $12,000 worth of bar mitzvah money into more than $1.65 million by day trading penny stocks while still in high school.