She is the 2010 Olympic champion in ladies singles, the 2009 World champion, the 2009 Four Continents championship, a three-time (2006–2007, 2007–2008, 2009–2010) Grand Prix Final champion, the 2006 World Junior champion, the 2005–2006 2005–2006 ISU Junior Grand Prix|Junior Grand Prix Final champion, and a four-time (2002–2005) South Korean national champion.