Lee Mi Dam is a former trainee of JYP Entertainment and YG Entertainment. He appeared on an episode of the JYP’s reality show, Stray Kids. He also appeared as a contestant on YG’s survival show, YG Treasure Box, but he left the team and YG Entertainment in episode 3 because he felt too much pressure about being a trainee.
After training for three years, he made his appearance as a contestant under AAP.Y Entertainment on boy group survival reality show Produce X 101.
(Source: kprofiles.com)