He slowly rose to fame among fellow students in the Seodaemun area, his home town.

With The End, he performed covers of western rock songs for audiences in various places in Korea.

After Jong-Seo left the band, Lee Seung-Cheol joined as new lead vocalist and they gained huge success with their first hit number, "Heeya (희야)."

Together with Sinawe leader Shin Daechul and Baekdoosan's Kim Do Kyun, Tae-won worked on the guitar musical project D.O.A.

In one of Qualifications of Men episodes the member had to testing for cancer, but unfortunately Kim's results were positive.