In 2002, Jay (Typhoon) along with Minwoo (Rose), Jungwoo (Attack),
Sungmin,
Junsu and
Eunhyuk made their first television appearance in a show called
Heejun vs. Kangta, Battle of the Century: Pop vs. Rock.
Moon Hee-jun taught Typhoon, Rose and Attack on to sing rock while Sungmin, Junsu, and Eunhyuk were taught other singing techniques by
Kangta. The six trainees separated a year later, then Typhoon, Rose, and Attack debuted as members of rock band TraxX. The trio separated when Junsu went on to debut as a member of
TVXQ. Then Sungmin and Eunhyuk joined ten other trainees and formed Super Junior 05, the first generation of rotational boy band
Super Junior. Jay made official debut with TRAX on July 20, 2004 with the single
Paradox. In February 2009, Jay began his acting career with cast in supporting roles in
MBC's
Romance Zero. In 2010, he participated in musicals
Brothers Were Brave,
Rock of Ages and rotated as
D'Artagnan with
Super Junior's
Kyhuhyun in
The Three Musketeers. He also cast in
KBS's
President alongside Super Junior's Sungmin, with plays the role of Sungmin's half-brother. In May 2011, Jay landed his first leading role in KBS's drama
My Bittersweet Life, playing the character Lee Se-in. In May 2014, Jay was confirmed to cast in the musical ''Singin' In The Rain'' as Don Lockwood with Super Junior's Kyuhyun and
EXO's
Baekhyun. The musical ran from June 5, 2014 until August 3, 2014 at the Chungmu Art Hall in Seoul. In September 2016, Jay was cast in supporting roles in KBS's drama
On the Way to the Airport, playing the character Jang Hyun-woo. In September 2017, Jay was cast in supporting roles in
KBS1's
Andante, playing the character Kang Hyun-woo. ==Personal life==