Kim Tae Woo is the former member Korean boy band group 1THE9. He is a contestant in MBC's survival show, Under19 (Under Nineteen).He ranked 3rd in the survival show and became the part of boy group 1THE9. He was the Vocalist and Rapper of the group. He promoted with 1THE9 for 17 months. Tae Woo is now a member of Blank2y, a 9 member boy group under Keystone Entertainment.