Kammala wannan jumla: Einhorn babban mai ba da gudummawa ne kuma memba ne na Hukumar Michael J. Fox Foundation. A shekara ta 2006, Einhorn ya gama na 18 a cikin
World Series of Poker babban taron kuma ya ba da kyautarsa (fiye da $ 650,000) ga gidauniyar. Shi ma yana cikin kwamitin Gidauniyar Robin Hood kuma yana ba da gudummawa ga ƙungiyoyin agaji da yawa a yankin New York. A cikin bazara na shekara ta 2009, kamar yadda aka alkawarta a cikin littafinsa "Fooling Some of the People All the Time", Greenlight Capital ya ba da gudummawar duk ribar babban abokin tarayya daga raguwar hannun jari na Allied Capital (ƙarin dala miliyan 6 - Greenlight ya riga ya ba da dala miliyan 1 a 2005 zuwa Asusun Yara na gobe - don yin jimlar dala miliyan 7) ga ƙungiyoyi uku