Im Yoona (Korean: 임윤아; born May 30, 1990), also Im Yun-Ah, is a South Korean idol singer, dancer, actress, promotional model. She is a member of the girl group, Girls’ Generation. She made her debut as an actress in the 2007 drama, 9 Ends, 2 Outs.
Yoona was born in Seoul, South Korea. She began to train with the other trainees under SM Entertainment in the areas of acting, singing and dancing. She has trained with SM for 5 years, after which she joined and debuted under Girls’ Generation.
She is a 2009 graduate of Daeyoung High School and is currently attending Dongguk University majoring in theater and music, along with her fellow member, Seohyun.