Who Is Keonho, birth name Ahn Geon-ho, is a South Korean singer, performer and songwriter best known as the youngest member, or maknae, of the K-pop boy group CORTIS. He performs under BIGHIT MUSIC and officially debuted with the group in August 2025.
CORTIS consists of Martin, James, Juhoon, Seonghyeon and Keonho. The group was introduced as a new-generation act with an emphasis on creative participation, with members involved in areas such as songwriting, choreography and visual production.
Keonho has also attracted attention for his musical contributions and his background as a competitive swimmer before entering the K-pop industry.
How Old Is Keonho?
Keonho was born on February 14, 2009, making him 17 years old in 2026.
His birthday falls on Valentine’s Day, a detail that has become one of the better-known facts about him among CORTIS fans. His zodiac sign is Aquarius.
As the youngest CORTIS member, Keonho occupies the maknae position in the group, while several of his members are older than him by only a few months or years.
Where Was Keonho Born?
Keonho was born in Suwon, Gyeonggi Province, South Korea. More specifically, his childhood is associated with the Pajang-dong area of Suwon.
He also spent part of his childhood in Dongtan, Hwaseong, after moving there during his school years.
His journey eventually took him from competitive swimming into entertainment, leading to his trainee years at BIGHIT MUSIC.
What Is Keonho’s Ethnicity?
Keonho is Korean and has South Korean heritage.
His career is firmly connected to the Korean entertainment industry, although CORTIS has an international audience and its music is promoted globally.
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What Is Keonho’s Nationality?
Keonho is South Korean by nationality.
He represents the youngest generation of K-pop performers and is part of BIGHIT MUSIC’s CORTIS, a group that debuted in 2025 and quickly began building an international fanbase.
Who Are Keonho’s Family Members?
Keonho has an older sister, who was born in 2005. His family also has a Chihuahua named Cookie, which has occasionally been mentioned in fan content and conversations about his life outside the stage.
His family played an important role in his transition from swimming to music. His older sister reportedly encouraged him to consider becoming a trainee, which eventually led to his audition for BIGHIT MUSIC.
How Did Keonho Become a K-Pop Idol?
Keonho’s path to K-pop was different from the typical story of a young trainee who dreams of becoming an idol from childhood.
Before entering the entertainment industry, he spent around four to five years as a competitive swimmer. He competed in swimming events and developed a strong background in sports.
His transition toward music began after he was noticed by BIGHIT MUSIC. For his audition, he performed BTS’s “Dynamite”, a fitting choice considering that he would later become part of the same entertainment company.
Keonho joined BIGHIT MUSIC as a trainee and spent several years preparing for his eventual debut.
When Did Keonho Debut With CORTIS?
Keonho made his official debut with CORTIS on August 18, 2025.
The group debuted with the digital single “What You Want,” introducing five members with a creative concept centered on individuality and freedom.
CORTIS later released its first EP, COLOR OUTSIDE THE LINES, giving Keonho further opportunities to demonstrate his vocal and creative abilities.
Keonho’s Role in CORTIS
Keonho is the maknae (youngest member) of CORTIS and contributes as a vocalist and performer.
His role extends beyond simply performing songs on stage. Members of CORTIS are encouraged to participate in the group’s creative process, and Keonho has contributed to songwriting, composition, choreography and video-related work.
He has been involved with songs such as “What You Want,” “GO!,” “FaSHioN” and “JoyRide.”
His involvement in visual production is particularly interesting because he has helped develop ideas for the group’s music videos and visual content.
What Songs Is Keonho Known For?
As a member of CORTIS, Keonho has participated in songs including:
- What You Want
- GO!
- FaSHioN
- JoyRide
- Lullaby
- REDRED
- TNT
- ACAI
CORTIS’s music combines elements of K-pop, hip-hop and contemporary pop while allowing the members to participate actively in the creative process.
Keonho’s contributions have helped establish him as more than simply the youngest member of the group.
Keonho’s Competitive Swimming Background
One of the most interesting parts of Keonho’s biography is his experience as a competitive swimmer.
Before becoming a trainee, he reportedly competed in swimming for several years and participated in races including the 50-meter and 100-meter events.
The discipline required for competitive swimming later became useful during his trainee years, when he had to develop singing, dancing, performance and stage skills simultaneously.
His transition from the swimming pool to the K-pop stage is one of the defining parts of his personal story.
How Tall Is Keonho?
Keonho’s height is 178 cm or 5 feet 10 inches.
What Is Keonho’s Weight?
Keonho’s wieght is 65 kg (143 lbs).
Does Keonho Have a Girlfriend?
Keonho’s current girlfriend has not been publicly confirmed.
- Wonhee Rumors: In May 2026, online posts and viral clips falsely linked Keonho to ILLIT member Wonhee.
- Agency Response: Neither agency confirmed a relationship, and both artists were simply interacting casually.
What Is Keonho’s Zodiac Sign?
Keonho’s zodiac sign is Aquarius, as he was born on February 14.
His birthday also places him under the Ox in the Chinese zodiac.
What Is Keonho’s MBTI?
Keonho’s MBTI type is reported as INTP.
This personality classification has become a popular part of K-pop fan culture, and fans often use it as another way to discuss the personalities and interactions of their favorite idols.
Keonho’s Personality and Interests
Keonho is often associated with a cheerful and playful personality. His experience as a swimmer also suggests that he developed discipline and competitive focus before entering entertainment.
He has a particular interest in music and creative production, and his contributions to CORTIS extend into areas that are not always handled by rookie idols.
He also has a pet Chihuahua named Cookie, which is one of the more recognizable personal details shared about him.
What Is Keonho Doing in 2026?
In 2026, Keonho continues his activities as a member of CORTIS.
The group has moved beyond its debut era with additional music and performances, while Keonho has continued contributing to the group’s creative work.
CORTIS’s growing international profile has also given Keonho opportunities to perform for audiences outside South Korea. As the youngest member, he is still at an early stage of his career and has considerable room to develop as both a performer and songwriter.
Where Can Fans Follow Keonho?
Keonho’s professional activities are primarily shared through CORTIS’s official social media accounts and fan platforms.
Rather than maintaining a separate public profile focused entirely on his personal life, his online presence is closely connected to CORTIS. Fans can follow the group for new music, performances, behind-the-scenes videos, photographs and announcements featuring Keonho.
What Makes Keonho Stand Out?
Keonho has an unusual background for a young K-pop idol. His story begins not with years of performing on stage, but with competitive swimming before he entered the entertainment industry.
After joining BIGHIT MUSIC, he developed into a performer while also taking part in songwriting, choreography and video production. His position as CORTIS’s maknae adds another recognizable element to his role within the group.
With CORTIS continuing to expand its music and international presence, Keonho is building his career from a unique starting point: a former competitive swimmer who transformed his passion for performance into a career on the K-pop stage.
