Ha Min Woo is the vocalist, rapper and dancer of the boy group ZE:A. He is a member of the J-Pop group 3Peace☆Lovers, a sub-unit of the visual kei group MASQUERADE, together with the singer Hayato Nikaido and the actor Sasaki Yoshide.

He passed the audition of JYP Entertainment in 2008, but he passed the audition of the Star Empire with the recommendation of Moon Jun-young, the leader of ZE:A, and became a trainee. On March 21, 2009, he appeared as a friend of V.O.S. Kim Kyung-rok at MBC "Introduce a friend of a star". In 2009, he appeared in the Mnet reality program "Office Reality - Children Of Empire" and "Children Of Empire Returns" and performed guerrilla tours around the country with a portable stage car.