South Korean short track speed skater and 4-time Olympic champion, she won two Olympic gold medals in 1998 and two in 1994.
She competed in the 1992 Olympics but failed to medal.
She won 13 gold medals in the World Skating Championship events.
She has one brother named Chun Hyung-Min.
She took home gold at the 1994 Olympics when Peter Forsberg led Sweden to a gold medal.