Siyun AMP profile pic

Siyun

시윤

Member of AMPERS&ONE

Under FNC Entertainment

Vocalist

Siyun AMPERS&ONE Profile

Birth name
Yoon Si Yun
Birthday
January 8, 2005
Height
180 cm
Age
21
Zodiac
Capricorn
Nationality
South Korean
MBTI
ISTJ
Blood type
B

About

Short bio

Siyun (시윤) is a South Korean singer and member of AMPERS&ONE. Learn about Yoon Siyun's age, birthday, YG Treasure Box journey, MBTI, hobbies, and fun facts.

Background

Yoon Si Yun (윤시윤), known professionally as Siyun, is a South Korean singer and vocalist of AMPERS&ONE. Born on January 8, 2005, in Incheon, South Korea, Siyun developed an interest in performing from a young age. Before pursuing an idol career, he attended Goyang Jeil Middle School and later enrolled at Lila Art High School, a school known for producing many entertainers and performers. He also gained experience as a child actor, giving him valuable stage and camera experience long before his official idol debut.

Siyun's path to debut included training under multiple companies and competing on high-profile survival programs. He was previously a trainee under YG Entertainment and participated in YG Treasure Box in 2018, where he showcased his talents before being eliminated in Episode 8. He later became part of WM Entertainment's trainee team Ggumnamu and continued developing his skills before joining FNC Entertainment. After being discovered through Def Dance Academy and auditioning with Chen's emotional ballad "Beautiful Goodbye," Siyun eventually debuted as a member of AMPERS&ONE, bringing years of training, performance experience, and determination to the group.

Fan-made pieces inspired by drama nights, bias feelings, and soft delulu moods.

FAQ

How tall is Siyun?
Siyun is 180 cm tall.
How old is Siyun?
Siyun is 21 years old.
Where is Siyun from?
Siyun is from South Korean.
What group is Siyun in?
Siyun is a member of AMPERS&ONE.
What is Siyun's MBTI?
Siyun's MBTI type is ISTJ.
What is Siyun's position?
Siyun's position is Vocalist.
What is Siyun's real name?
Siyun's birth name is Yoon Si Yun.

Fun facts

  • Siyun was born in Incheon, South Korea. Source: Studocu / KProfiles

    - He attended Goyang Jeil Middle School and later studied at Lila Art High School. Source: Studocu / KProfiles

    - Before joining AMPERS&ONE, Siyun trained under YG Entertainment. Source: Wikipedia

    - He competed on YG Entertainment's survival show YG Treasure Box in 2018. Source: Wikipedia

    - Siyun was eliminated during Episode 8 of the program. Source: Wikipedia

    - He was also a member of WM Entertainment's trainee team Ggumnamu. Source: Studocu / KProfiles

    - This made him one of the most experienced trainees in AMPERS&ONE before debut. Source: Studocu / KProfiles

    - Siyun was discovered through Def Dance Academy. Source: Studocu / KProfiles

    - He auditioned with Chen's song "Beautiful Goodbye." Source: Studocu / KProfiles

    - He chose the emotional ballad to showcase the depth and tone of his vocals. Source: Studocu / KProfiles

    - Before becoming an idol, Siyun worked as a child actor. Source: KProfiles

    - His acting experience helped him become comfortable performing in front of cameras at a young age. Source: KProfiles

    - Siyun enjoys taking photographs of clouds. Source: KProfiles

    - He also loves watching the ocean and spending time near the sea. Source: KProfiles

    - Working out is one of his favorite ways to relieve stress. Source: KProfiles

    - He is reportedly very good at planking exercises. Source: KProfiles

    - His favorite color is black. Source: KProfiles

    - Winter is his favorite season. Source: KProfiles

    - His favorite Marvel character is Iron Man. Source: KProfiles

    - Members say Siyun can fall asleep almost anywhere, regardless of the situation. Source: Notes on K-pop Interview

    - His ability to sleep through travel schedules and jet lag is something the other members openly envy. Source: Notes on K-pop Interview

    - His MBTI is commonly listed as ISTJ-T, though some sources have reported ISFJ. Source: Studocu / KProfiles

    - His nickname is "Baby Tiger." Source: Studocu / KProfiles

    - Fans say the nickname fits both his youthful charm and intense stage presence. Source: Fan Community Discussions

    - His favorite foods are kimchi stew and doenjang jjigae. Source: KProfiles

    - Although he struggles with spicy food, he still enjoys eating it. Source: KProfiles

    - His favorite school subject was Korean language. Source: KProfiles

    - Siyun enjoys playing video games during his free time. Source: KProfiles

    - He openly admits that he is not particularly skilled at gaming. Source: KProfiles

    - Whenever the group travels, he enjoys spending time looking at the ocean. Source: KProfiles

    - Fans associate his love of the sea with his calm and reflective personality. Source: Fan Community Discussions

    - His favorite movie genres are action and romance. Source: KProfiles

    - He enjoys stories that combine strong emotions with high-stakes situations. Source: KProfiles

    - Siyun's blood type is B. Source: Kpop Members Bio

    - He stands approximately 180 cm (5'11") tall. Source: Kpop Members Bio

    - He is one of the taller members of AMPERS&ONE. Source: Kpop Members Bio

    - Fans often praise Siyun for his reliability, maturity, and quiet determination. Source: Fan Community Discussions

Why Fans Love Siyun

Fans love Siyun for his calm personality, dependable nature, and quiet confidence. While he may not always be the loudest member in the room, his steady presence and dedication have earned him admiration from both fans and fellow members.

His journey through multiple agencies and survival programs also showcases his resilience. Whether he's performing on stage, taking photos of clouds, or simply enjoying the ocean during travels, Siyun brings a thoughtful and grounded energy that many fans find comforting.

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