Venus Williams is a tennis player.
The Grand Slam tournaments , also called majors , are the four most-important annual tennis events . Venus Williams . Ranked World No. 11 in singles as of January 28 , 2017 , Williams has been ranked World No. 1 by the Women 's Tennis Association on three occasions , for a total of 11 weeks . Her seven Grand Slam singles titles ties her twelfth on the all-time list , more than any other active female player except sister Serena . She is the only tennis player to have won a medal at four separate Olympic Games .