Stage Name: Seohyun (서현)
Birth Name: Seo Joo Hyun (서주현)
Position: Lead Vocalist, Maknae
Birth Date: June 28, 1991
Zodiac sign: Cancer
Birth Place: Seoul, South Korea
Height: 168 cm (5’6″)
Weight: 49 kg (108 lbs)
Blood Type: A
Hobbies: Listening to music
Specialty: Chinese, piano
Sub-Unit: TTS