Buuxi weedha soo socota: Greenstein wuxuu ka soo muuqday mid kasta oo ka mid ah seddexda taxane ee ugu horreeya ee Poker Superstars Invitational Tournament iyo dhammaan toddobada xilli ee taxanaha GSN "High Stakes Poker". Waxa kale oo uu ka soo muuqday saddexda xilli ee ugu horreeya taxanaha habeenkii dambe "Poker After Dark" ee NBC. Greenstein ayaa sidoo kale ku guuleystay laba World Poker Tour (WPT) horyaal: Shanta Sanadlaha ah ee Jack Binion World Poker Open ($ 1,278,370), iyo 2006 WPT Invitational at Commerce Casino ($ 100,000). Waxa kale oo uu ku guuleystay laba kale oo WPT ah oo ku saabsan dhacdooyinka gaarka ah: WPT Aabaha iyo Wiilasha Tartanka, 2006 World Poker Finals; iyo WPT Poker by the Book: Cutubka 2. Laga bilaabo 2008, wuxuu bilaabay inuu ku deeqo dakhligiisa saafiga ah sadaqada. 2008 World Series of Poker (WSOP), Greenstein wuxuu ku guuleystay lix dhacdo oo wadar ahaan ah $ 768,461. Waxa kale oo uu kaalinta labaad ka galay tartanka ciyaaryahanka sanadka ee 2008 ee WSOP, isaga oo ka dambeeyay Erick Lindgren. gudaha
2011, Greenstein wuxuu shan jeer ku guuleystay World Series of Poker, oo ay ku jiraan kaalinta 3aad ee $10,000 Limit Hold'em Championship oo ah $169,512 iyo kaalinta 15aad ee $50,000 Player's Championship.