Jul 20, 2015-Feb 28, 2023
Go Ian (고이안), also known as Kogyeol, is the lead vocalist of the boy group UP10TION under TOP Media Entertainment. He debuted as a member of the group on September 10, 2015.
On October 14th, 2022 Kogyeol announced he had officially changed his name from Go Min Soo to Go Ian.