CORTIS Members Profile: Full Names, Ages and More

CORTIS members: James, Juhoon, Martin, Seonghyeon, and Keonho
OriginSeoul, South Korea
DebutAugust 18, 2025
Number of Members5
MembersJames
Juhoon
Martin
Seonghyeon
Keonho
Oldest MemberJames
Youngest Member (Maknae)Keonho
Tallest MemberN/A
Shortest MemberN/A
Most Popular MemberJuhoon
Record labelBig Hit Music
Social Media AccountsFacebook: cortis.bighit
Twitter (x): @cortis_bighit
Instagram: @cortis
Threads: @cortis
Youtube: @cortis_bighit
Tiktok: @cortis_bighit
Website: ibighit.com/cor/kor/
Weibo: cortis

CORTIS Members Profile

James

James of CORTIS
Full NameZhao Yufan
BirthdayOctober 14, 2005
BirthplaceHong Kong, China
Age19 years and 11 months old
HeightN/A
WeightN/A
Zodiac SignLibra
Blood TypeN/A
MBTIINTP
NationalityThai-Chinese (Hong Kongese)
EducationN/A
PositionN/A

Juhoon

Juhoon of CORTIS
Full NameKim Ju-hoon
BirthdayJanuary 3, 2008
BirthplaceSeoul, South Korea
Age17 years and 9 months old
HeightN/A
WeightN/A
Zodiac SignCapricorn
Blood TypeN/A
MBTIISFP
NationalityKorean
EducationSangmyung University Teacher’s College Experimental Elementary School,
Young Hoon International Middle School
PositionN/A

Martin

Martin of CORTIS
Full NameMartin Edwards Park
BirthdayMarch 20, 2008
BirthplaceCanada
Age17 years and 6 months old
Height6’3″ (190.5 cm)
WeightN/A
Zodiac SignPisces
Blood TypeN/A
MBTIINFP/ENFP
NationalityCanadian-Korean
EducationSeoul Joongdae Elementary School
PositionLeader, Producer, Main role in choreography and songwriting

Seonghyeon

Seonghyeon of CORTIS
Full NameEom Sung-hyun
BirthdayJanuary 13, 2009
BirthplaceSeo-gu, Daejeon, South Korea
Age16 years and 8 months old
HeightN/A
WeightN/A
Zodiac SignCapricorn
Blood TypeN/A
MBTIINTP
NationalityKorean
EducationDaejeon Gwanjeo Elementary School
PositionN/A

Keonho

Keonho of CORTIS
Full NameAhn Geon-ho
BirthdayFebruary 14, 2009
BirthplacePajang-dong, Jangan-gu, Suwon, Gyeonggi-do, South Korea
Age16 years and 7 months old
HeightN/A
WeightN/A
Zodiac SignAquarius
Blood TypeN/A
MBTIINTP
NationalityKorean
EducationChonggye Middle School (dropped out) Pajang Elementary School
Yeoul Elementary School
PositionMaknae

Member Ages: Oldest to Youngest

MemberBirthdayAge
JamesOctober 14, 200519 years, 11 months, 27 days old
JuhoonJanuary 3, 200817 years, 9 months, 8 days old
MartinMarch 20, 200817 years, 6 months, 21 days old
SeonghyeonJanuary 13, 200916 years, 8 months, 28 days old
KeonhoFebruary 14, 200916 years, 7 months, 27 days old

FAQs

When did CORTIS debut?

CORTIS (코르티스) debuted on August 18, 2025, with their single “What You Want.”

How many members are in CORTIS?

CORTIS has 5 members: James, Juhoon, Martin, Seonghyeon, and Keonho.