His first contact with poker he had very early on, when he asked his father about the meaning of the plastic chips that were on the table of the dining room. During the Second World War, his father, Jack Greenstein was a successful poker player in the army. After finishing school, he studied at the University of Illinois at Urbana -Champaign mathematics and computer science. Until he was 36 years completely turned the game of poker, he worked at Symantec. Greenstein has two children and four step-children and currently lives in Rancho Palos Verdes, California. His stepson Joe Sebok is also a professional poker player.
In 2005, Greenstein published a book titled Poker Ace on the River ( in German: Ace on the River). Greenstein is known that he, his book leaves you with an autograph and the exact hand with which he has retired, get all the players who eliminate him in a tournament.
Greenstein donates for quite some time all tournament revenues charitable organizations (already over $ 4.6 million ). Therefore, he is also known as Robin Hood of poker. He earned his livelihood with cash games.
Barry Greenstein is a member of Team PokerStars.
He also appeared regularly in the television series High Stakes Poker.
Currently are its revenue at $ 8 million through official poker tournaments.