Career
She is signed onto Sony Music Japan"s Small and Medium Size Enterprises Records division. Since making her debut in the MBC dramas, she has acted in of Korea and Japan, probably due to her fluency in Japanese as well as in her native Korean, where she has gained popularity from starring in the Fuji television drama, Fighting Girl with co-star Kyoko Fukada. In Japan, however, she is known as Yun Sona (ユンソナ).
On July 4, 2006, Yoon announced that she got engaged to a Korean entrepreneur who lives in Seoul. and she moved her base of operation to South of Korea.