Stage Name: Jisung (지성)
Birth Name: Yoon Byeong-ok (윤병옥) but he legally changed his name to Yoon Ji-sung (윤지성)
Position: Leader, Sub Vocalist
Birthday: March 8, 1991
Zodiac Sign: Pisces
Nationality: Korean
Height: 175 cm (5’9″)
Weight: 62 kg (137 lbs)
Blood Type: B
Instagram: @_yoonj1sung_
Youtube: Yoon Jisung Official
Sub-Unit: Lean On Me
Official Fandom Name: Babal
Official Fan Colors: Mint, Ivory, Pink
