Tiffany

Cewek yang lahir di San Francisco, tetapi dibesarkan di Diamond Bar, California ini ia ditemukan di SM Starlight Casting System 2004 di Los Angeles. Seiring dengan SeoHyun dan Jessica, dia merilis single, "Oppa Nappa" dan "Mabinogi (It's Fantastic!)".
Dia adalah co-host "Sonyeo Sonyeon Gayo Baekso" bersama dengan Kim Hye-sung dari November 5, 2007 pada 13 Juni 2008. Ia bernyanyi "Na Honjaseo" dari "Ja Myung Go" soundtrack, berduet dengan Will K. dalam "Sonyeo, Sarangeul Mannada", serta "Feeling Only You" The Blue dengan Sooyoung. Tiffany dan Yuri menjadi host MBC's Music Core.

Basic Profile
Stage Name: Jessica (제시카)
Birth Name: Jessica Jung Soo Yeon (제시카 정)
Korean Name: Jung Soo Yeon (정수연)
Group Position : Main Vocalist
Nicknames : Ice Princess, Sica, Sicachu, Ajumma
Motto: Follow my heart ..
Languages : Korean (Fluent) , English (Fluent) , Chinese (Basic) , Japanese (Basic)
DOB: April 18, 1989
Height: 163cm
Weight: 45kg
Blood Type: B
Sibling : Younger Sister (Krystal)
School: Korea Kent Foreign School, Graduated
Casted: 2000 SM Casting System
Fancafe: [Sweet Jessica]
Duration of Training: 7 years and 6 months
Extra Information
Favorite Number : 52
Ideal Man : Lee Sunho
Favorite Song from Girls' Generation : Complete
Hobbies : Boxing & Soccer
Interests: Reading books & magazines, watching movies, listening to music, sleeping & singing
Roommate/s : Hyoyeon ( Old dorm) Sooyoung (New Dorm)