I.O.IVocalistVisual

Chaeyeon

채연Jung Chae-yeon (정채연)

A DIA debut, seventh place on Produce 101 and an expanding acting career made Chaeyeon one of I.O.I’s most familiar faces.

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Source: I.O.I / Swing Entertainment

Age: 28; Dec 1, 1997
Height: 166 cm; 5′5″
MBTI: ISFJ; self-reported
Debut: 2016; with I.O.I

At a glance

Profile

Stage name: Chaeyeon (채연)
Birth name: Jung Chae-yeon (정채연)
Position: Vocalist, Visual
Birthday: December 1, 1997 (age 28)
Zodiac sign: Sagittarius
Chinese zodiac: Ox
Height: 166 cm (5′5″)
Blood type: A
MBTI: ISFJ
Nationality: South Korean
Birthplace: Suncheon, South Korea
Nicknames: Ending Fairy
Joined: May 4, 2016

9 facts

About Chaeyeon

Chaeyeon had already debuted with DIA before placing seventh on Produce 101 and joining I.O.I. Her screen career began with Drinking Solo and expanded through To. Jenny and Netflix’s My First First Love. After signing with BH Entertainment in 2022, she starred in Family by Choice in 2024 and returned to I.O.I’s reunion activities in 2026.

01
DIA released its debut album Do It Amazing in September 2015.
02
She temporarily stepped back from DIA to enter Produce 101.
03
She graduated from the School of Performing Arts Seoul in 2016.
04
She returned to DIA promotions in June 2016, so she did not join the Whatta Man unit.
05
Drinking Solo marked her acting debut in 2016.
06
She appeared in The Golden Spoon in 2022 and Family by Choice in 2024.
07
She led the music drama To. Jenny in 2018.
08
She starred in Netflix’s My First First Love.
09
She joined BH Entertainment in September 2022.

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Photo credits

Mina at a Jongro fan signing in March 2017: SHAQ Photo · CC BY 4.0 · source