Serena Williams is not a Grand Slam winner.
She is the most recent female player to have held all four Grand Slam singles titles simultaneously -LRB- 2002 -- 03 and 2014 -- 15 -RRB- and the third player to achieve this record twice after Rod Laver and Steffi Graf .	2002	2002 Wimbledon Championships  Women's Doubles	2014	2014 WTA Finals  Singles	Steffi Graf	Steffi Graf	Grand Slam	Grand Slam (tennis)	Rod Laver	Rod Laver
