Wang Yihan
Wang Yihan (born 18 January 1988) is a retired Chinese professional badminton player and former women's singles world champion and Olympic silver medalist. Wang started her career with her coach Wang Pengren at only nine years of age. She was selected for the junior team in 2004, and after being promoted to the senior team in 2006 she began to shine in major tournaments. By October 2009 she was the top ranked Women's singles player in the world.