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IOI

Nayoung Leader, Main Dancer, Lead Rapper, Vocalist

Sohye Singer

Mina Main Rapper, Vocalist

Yeonjung Main Vocalist, Maknae

Sejeong Main Vocalist, Face of the

Chaeyeon Vocalist, Rapper, Visual, Face of the Group

Yoojung Main Rapper, Lead Vocalist, Main Dancer, Center

Doyeon Visual, Lead Dancer, Vocal

Chungha

Kyulkyung Vocal

Somi Vocal, Maknae

Introduction to IOI

IOI debuted on May 4, 2016 under CJ E&M

IOI was a South Korean girl group formed by CJ E&M through the 2016 reality show Produce 101 on Mnet. The group was composed of eleven members chosen from a pool of 101 trainees from various entertainment companies.

Agency	CJ E&M
Debut	May 4, 2016
Years Active	2016-2017
Debut to 1st Win	104 days
Most Popular Member	Chungha
Country	South Korea

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IOI Member Profiles

Nayoung

Lim Na Young

Height	5'7" (171cm)
Date of Birth	23 years old, born December 18, 1995
Blood Type	0
Position	Leader, Main Dancer, Lead Rapper, Vocalist

NaYoung was a member of the girl group IOI, currently she's part of the girl group PRISTIN, she ranked 10 on Produce 101 and was the leader of IOI.

Sohye

Kim So Hye

Height	5'4" (163cm)
Date of Birth	19 years old, born July 19, 1999
Blood Type	A
Position	Singer

Sohye was a member of the girl group IOI, currently she's a actress, she ranked 5 on Produce 101.

Mina

Kang Mina

Height	5'5" (165cm)
Date of Birth	19 years old, born December 4, 1999
Blood Type	0
Position	Main Rapper, Vocalist

Mina is a member of Jellyfish Entertainment´s first Girlgroup, Gugudan, and represents the Number 9. She also appeared on Produce101 Season 1 where she became part of project group I.O.I.

Yeonjung

Yu Yeonjung

Height	5'6" (167cm)
Date of Birth	19 years old, born August 3, 1999
Blood Type	A
Position	Main Vocalist, Maknae

Yeonjung was a member of the girl group IOI, currently she's part of the girl group COSMIC GIRLS/WJSN, she ranked 11 on Produce 101 and was the main vocal of IOI.

Sejeong

Kim Sejeong

Height	5'5" (164cm)
Date of Birth	22 years old, born August 28, 1996
Blood Type	AB
Position	Main Vocalist, Face of the

Sejeong was a member of the girl group IOI, currently she's part of the girl group GUGUDAN, she ranked 2 on Produce 101 and she represents the number 3 on GUGUDAN.

Chaeyeon

Jung Chae Yeon

Height	5'6" (166cm)
Date of Birth	21 years old, born December 1, 1997
Blood Type	A
Position	Vocalist, Rapper, Visual, Face of the Group

Jung Chae-yeon (born December 1, 1997), better known by the mononym Chaeyeon, is a South Korean singer and actress. She is best known for being a member of the South Korean girl group DIA, and for finishing 7th in the survival...See Full Profile

Yoojung

Choi Yoo-jung

Height	5'3" (159cm)
Date of Birth	19 years old, born November 12, 1999
Blood Type	0
Position	Main Rapper, Lead Vocalist, Main Dancer, Center

Yoojung was a member of the girl group IOI, currently she's part of the girl group WEKI MEKI, she ranked 3 on Produce 101.

Doyeon

Kim Do-yeon

Height	5'8" (173cm)
Date of Birth	19 years old, born December 4, 1999
Blood Type	0
Position	Visual, Lead Dancer, Vocal

Doyeon was a member of the girl group IOI, currently she's part of the girl group WEKI MEKI, she ranked 8 on Produce 101.

Chungha

Kim Chan-mi

Height	5'4" (161cm)
Date of Birth	23 years old, born February 9, 1996
Blood Type	B

Kim Chanmi(김청하) known as Chungha (청하) is a Korean singer, who became well known after finishing rank 4 on the survival show Produce 101 and became part of the girl group I.O.I. She officially debuted as a solo artist on June...See Full Profile