Ace Samson, known professionally as Dawn, is a member of NEO and serves as the group’s main rapper and lead vocalist. His role gives NEO both rap energy and vocal support, allowing him to contribute to the group’s sharper and more melodic moments.

Before debuting with NEO, Dawn was part of a cover group and was inspired by other artists and P-pop groups to perform. He is also known within the team for his styling contributions. As part of NEO, Dawn helps shape the group’s sound, image, and performance identity through rap, vocals, and visual direction.