SinB (신비) also known as Hwang Eun-bi (정은비) is a South Korean singer. She is the main dancer and center of GFriend, which is under Source Music.
She was born in Cheongju, South Korea and has one older brother. She trained at Big Hit Entertainment along with Eunha for 5 years. She attended the School of Performing Arts Seoul and graduated in February 2017 along with Umji.