* Birth name: Kim Taeyeon (Hangul: 김태연)
* Date of birth: March 9, 1989 (1989-03-09) (age 20)
[edit] Jessica
* Birth/English name: Jessica Jung
* Korean name: Jung Sooyeon (Hangul: 정수연)
* Date of birth: April 18, 1989 (1989-04-18) (age 20)
Jessica was born and raised in San Francisco, California. She released two singles with SeoHyun and Tiffany: "Oppa Nappa" (Korean: 오빠 나빠), and "Mabinogi (It's Fantastic!)". She starred in Kim Jo-han's music video "Love is Late, I'm Sorry" and is featured in 8Eight's song, "I Love You". In their second mini-album Genie, she duets with Shinee's leader Onew in the track "One Year Later" (Korean: 1년 後). Jessica and Park Myeong-su (Korean: 박명수) released a duet song for Infinity Challenge called, "NaengMyun" (Korean: 냉면). Her younger sister, Krystal, is a member of F(x), a band under SM Entertainment as well.
[edit] Sunny
* Stage name: Sunny (Hangul: 써니)
* Birth name: Lee Soonkyu (Hangul: 이순규)
* Date of birth: May 15, 1989 (1989-05-15) (age 20)
Sunny was a trainee under a different entertainment company before she transferred into SM Entertainment. After several months of training under SM Entertainment in 2007, Sunny debuted as a member of Girls' Generation that same year. She was a co-DJ of ChunJi (Korean: 천방지축 라디오, literally Reckless Radio), along with Sungmin (Korean: 성민), of Super Junior until the broadcast ended on the July 30, 2008. Sunny appeared in Super Junior-H's music video for "Cooking? Cooking!". Sunny also sang the song "Finally Now" (Korean: 이제서야), on the soundtrack for the movie Story of Wine. She also co-hosts a music show called The M with SS501's Hyungjoon. She is also the niece of Lee Soo Man, the founder of SM Entertainment.
[edit] Tiffany
* Stage name: Tiffany (Hangul: 티파니)
* Birth/English name: Stephanie Hwang
* Korean name: Hwang Miyoung (Hangul: 황미영)
* Date of birth: August 1, 1989 (1989-08-01) (age 20)
Born in San Francisco, California but raised in Diamond Bar, California, she was discovered in the SM Starlight Casting System 2004 in Los Angeles. Along with SeoHyun and Jessica, she released a single, "Oppa Nappa" (Korean: 오빠 나빠) and "Mabinogi [It's Fantastic!]". She was the co-host of Sonyeo Sonyeon Gayo Baekso (Korean: 소년소녀 가요백서), along with Kim Hyesung from November 5, 2007 to June 13, 2008. She sang the OST from Ja Myung Go "By Myself" (Korean: 나 혼자서), a duet with K.Will called "A Girl, Meets Love", as well as "Feeling Only You" by The Blue (Kim Min-Jong & Son Ji Chang) with Soo Young. Tiffany and Yuri currently host MBC's Music Core.
[edit] Hyoyeon
* Birth name: Kim Hyoyeon (Hangul: 김효연)
* Date of birth: September 22, 1989 (1989-09-22) (age 19)
She was BoA's silhouette during a dance break in BoA's "Over the Top" performance at the MKMF Awards in 2005. Hyoyeon attended a hip hop dance school that specialized in waving, popping, locking, and animation.
[edit] Yuri
* Birth name: Kwon Yuri (Hangul: 권유리)
* Date of birth: December 5, 1989 (1989-12-05) (age 19)
Yuri joined the label when she took 1st place in the 2001 1st SM Youth Best Dancer Contest. She appeared in TVXQ's "Beautiful Life" music video and had a small role as a ballerina in Super Junior's movie, Attack on the Pin-Up Boys. She also had a small role in a television segment, "The King's Boyfriend", which was part of the 2005–2006 KMTV Super Junior documentary, Super Junior Show. Yuri also played a part in the sitcom Unstoppable Marriage (Korean: 못말리는 결혼), alongside Sooyoung. Yuri is also the centerpiece of K. Will's music video "Dropping the Tears" (Korean: 눈물이 뚝뚝), and appears in the music video for "JjaRaJaJja" (Korean: 짜라자짜) by Joo Hyun-Mi & SeoHyun (ft. Davichi). Apart from all her solo works, she is currently the co-host of Korean music program Music Core on MBC alongside Tiffany.
[edit] Sooyoung
* Birth name: Choi Sooyoung (Hangul: 최수영)
* Date of birth: February 10, 1990 (1990-02-10) (age 19)
Before Sooyoung's audition to Girls' Generation, she made a brief debut in Japan as a singer in the group called "Route φ". She first debuted with Marina Takahashi with the song "Start". She was previously a DJ of ChunJi (Korean: 천방지축 라디오, literally Reckless Radio), along with Sungmin of Super Junior but was soon replaced by Sunny due to schedule conflicts. Sooyoung also played a part in the sitcom Unstoppable Marriage (Korean: 못말리는 결혼), alongside Yuri and was also in a movie with Kang-in of Super Junior and actress Lee Yeon-hee. Currently, she hosts MBC TV program Fantastic Duo (Korean: 환상의 짝꿍). She also featured in "Feeling Only You" by The Blue (Kim Min-Jong & Son Ji Chang) with Tiffany.
[edit] Yoona
Further information: Im Yoona
* Birth name: Im Yoona (Hangul: 임윤아)
* Date of birth: May 30, 1990 (1990-05-30) (age 19)
She was the first member to join the group. She made her debut as an actress in the 2007 Korean drama, 9 Ends 2 Outs.
[edit] Seohyun
* Stage name: SeoHyun (Hangul: 서현)
* Birth name: Seo Juhyun (Hangul: 서주현)
* Date of birth: June 28, 1991 (1991-06-28) (age 18)
She was a 2004 SMART uniform model with TVXQ. Along with Jessica and Tiffany, they released a single "Oppa Nappa" (Korean: 오빠 나빠), and "Mabinogi (It's Fantastic!)". On February 17, 2009, her duet with trot singer Joo Hyun-Mi (Korean: 주현미), was digitally released, called "JjaRaJaJja" (Korean: 짜라자짜).
Taeyeon