Stage Name: Kid Leader TAEYEON (꼬꼬마 리더 태연 – ggoggoma leader Taeyeon)
Birth Name: Kim Tae-yeon (김태연)
Nicknames: Taeng, Taengoo (Taeng9), Tete, Kid Leader, ByunTaeng (ert Taeng), JumTaeng
Position: Leader & Main Vocalist
Date of Birth: March 9, 1989
Zodiac Sign: Pisces
Bloodtype: O
Sibling(s): 1 older brother (Kim Ji-woong), 1 younger sister (Kim Ha-yeon)
Language: Korean (Fluent), English, Chinese (Basic), Japanese (Basic)
Specialty: Trot
Casted: 2004 SM 8th Annual Best Contest (Best Singer 1st Place Grand Award)
Training Duration: 3 Years 3 Months
School: Jeonju Art High School (전주예술고고등학교) [graduated]