Serri made her official debut with Dal Shabet on January 3, 2011 with the release of Supa Dupa Diva. They began the promotions for “Supa Dupa Diva” on Mnet’s M! Countdown.
In 2011, she and fellow member, Park Su-bin released the song “Turn Your Head” for the OST of God’s Quiz 2.
She also collaborated with 4Men’s Kim Won-joo and released the song “Fall in Love” on December 29.
In mid-2012, she became the new leader of Dal Shabet, replacing Viki, who left the group to pursue a solo career.
In 2013, she made a cameo appearance with fellow member Park Su-bin on the popular SBS’ series My Love from the Star.
Serri co-wrote the lyrics of “Let It Go”, a track from Dal Shabet’s sixth extended play, Be Ambitious.
In October 2017, Serri was confirmed to joined in the KBS idol rebooting program, The Unit, along with Dal Shabet members Woohee.
In December 2017, Serri leaving from Happy Face Entertainment after her contracts expired and her future activities with Dal Shabet remains in discussion. The company stated that will continue management duties for Serri appearance in The Unit until ends.
Birthdate: September 16, 1990 (age 29)
Birthplace: South Korea
Occupation: Singer, dancer, model
Discography: Quiz from God OST Part.3″ (2011)Track.1: “고개를 돌려요” (with Subin)”Fall In Love” (with Kim Won Joo of 4Men) (2011)