Serena Williams, (born September 26, 1981, Saginaw, Michigan, U.S.), American tennis player who revolutionized women's tennis with her powerful style of play and who won more Grand Slam singles titles (23) than any other woman or man during the open era.
Serena Jameka Williams is an American professional tennis player. The Women's Tennis Association ranked her world No. 1 in singles on eight separate occasions between 2002 and 2017. She reached the No. 1 ranking for the first time on July 8, 2002. Wikipedia