Yoo Yeon Joo, later legally changed to Yoo Shi Ah and known professionally as YooA, is a South Korean singer, dancer, actress, and member of OH MY GIRL (오마이걸). She graduated from Haesung International Convention High School and later obtained a bachelor's degree in Dance from Sejong University. She is the younger sister of the well-known choreographer Yoo Jun Sun.

She made her debut in April 2015 as the group's main dancer, lead vocalist and face of the group with their first mini-album, also titled "Oh My Girl". They were labeled by WM Entertainment (WM엔터테인먼트) as the sister group of label-mates B1A4 and quickly positioned themselves as fan favorites in both South Korea and Japan.

In July 2017, she was part of the TV show "Idol Drama Operation Team" and later became part of the project group GIRLS NEXT DOOR (옆집소녀) alongside 6 other female idols. They released the single "Deep Blue Eyes" and acted in their own drama called “Let’s Only Walk The Flower Road”.

She made her debut as a solo artist in September 2020 with the mini-album "Bon Voyage".

On May 8, 2025, WM Entertainment announced that YooA ended her exclusive contract with the agency but would continue to remain as a member of OH MY GIRL.

On June 2, 2025, she signed an exclusive contract with SARAM Entertainment.

(Source: kisskh) Edit Biography