Hingis won the 1997 Australian Open singles title at the age of 16 years, 3 months, playing more like a seasoned veteran than a youngster. She became the youngest Australian champion in history with that victory. That March, Hingis ascended to No. 1 in the global rankings, becoming the youngest person to do so. She held that position for one month. During her time as world No. 1, Hingis won four Grand Slam singles titles. In addition to her success on the tennis court, Hingis has had an illustrious career outside of sports. She has three Olympic gold medals, two from the 2000 Sydney Olympics and one from the 2004 Athens Games, as well as a silver medal from the 1996 Atlanta Olympics. Hingis has also won the Wimbledon Championships twice, the French Open once, and the Golden Set eight times (a record for any female player). Besides her athletic accomplishments, Hingis is known for her work with UNICEF. From 1993 to 1998, she served as a goodwill ambassador for the organization, traveling around the world to promote children's rights issues. In 2007, Hingis became involved in another children's charity, BUND, or "Better United Nations Development." The goal of this organization is to get young people involved in helping improve countries' health and education systems. Hingis is currently its president.