<prompt> Tlatša polelwana e latelago: Greenstein o ile a tšwelela go e nngwe le e nngwe ya dihlopha tše tharo tša mathomo tša Poker Superstars Invitational Tournament le dihla ka moka tše šupago tša lelokelelo la GSN la High Stakes Poker. Gape o ile a tšwelela ka dihla tše tharo tša mathomo tša seripa sa bošego sa Poker After Dark go NBC. Greenstein o bile a thopile di titles tše pedi tša World Poker Tour WPT: The Fifth Annual Jack Binion World Poker Open 1,278,370, le 2006 WPT Invitational at the Commerce Casino 100,000. O bile a thopile le dithekethe tše dingwe tše pedi tša WPT ka ditiragalo tše di kgethegilego: WPT Father and Sons Tournament, 2006 World Poker Finals; le WPT Poker ka Puku: Kgaolo 2. Go tloga ka 2008, o ile a thoma go neela dipoelo tša gagwe tša go tšwa letloleng go tša go thuša bahloki. Go World Series of Poker WSOP ya 2008, Greenstein o ile a thopa palomoka ya 768,461 ka ditiragalo tše tshela. Gape o feditše la bobedi ka 2008 WSOP Player of the Year maemong, ka morago ga Erick Lindgren. Ka  <response>: Ka 2011, Greenstein o thopile makga a mahlano World Series of Poker, go akaretša le sebaka sa boraro ka 10,000 Limit Holdem Championship ka 169,512 le sebaka sa bo-15 ka 50,000 Players Championship. 