As of 2013, she has one World Series of Poker (WSOP) bracelet and her total live tournament winnings exceed $5,800,000.
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On June 1, Liebert made the final table of the $10,000 Pot-Limit Hold'em World Championship at the 2008 World Series of Poker and finished in 3rd place, earning $306,064.
Kathy Bates | Kathy Mattea | Ottmar Liebert | Kathy Griffin | Kathy Reichs | Kathy Burke | Kathy Lette | Kathy Garver | Kathy Troccoli | Kathy Najimy | Kathy Taylor | Kathy Ireland | Kathy Tyers | Kathy Sinnott | Kathy Sierra | Kathy Patrick | Kathy Marks | Kathy Liebert | Kathy Kirby | Kathy Greenwood | Kathy Goudie | Kathy Freston | Kathy Cox | Kathy Boudin | Kathy Tyler | Kathy Staff | Kathy Smallwood-Cook | Kathy Smallwood | Kathy Sledge | Kathy Shower |
Ng achieved fame on the World Poker Tour (WPT) circuit in 2003 after placing second to Clonie Gowen in the Ladies' Night I tournament, finishing ahead of established professionals including Annie Duke, Kathy Liebert and Jennifer Harman.
At the World Series of Poker he has had a 4th place finish in the 2001 $3,000 No Limit Hold-Em event (which also featured Johnny Chan and Kathy Liebert; and a 5th place finish in the 2005 $10,000 Pot Limit Omaha event (which also featured Todd Brunson, Barry Greenstein (who lost a critical pot to Simon, and then complained about it in his blog.), Erik Seidel and Julian "The Kid" Gardner.