Tan (Ciipher)

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Tan (Ciipher) - Biography, Profile, Facts, and Career
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Choi Seok Won, who is more known as Tan, is a South Korean singer and actor.

He gained popularity by debuting as a member of Ciipher in 2021, before expanding his career into acting and appearing in Korean drama series such as Ghost Doctor (2022) and Na Ra the Socialite Wannabe (2023).

Career

Already having a big dream as a K-Pop idol, Tan started his path by becoming a trainee for Starship Entertainment.

After some time being a trainee there, he later joined a survival show created by Starship Entertainment, NO.MERCY in 2014, which aired on Mnet.

Unfortunately, he couldn’t make it until the last episode. Tan got eliminated in the 10th episode and left the show.

Having a hard time continuing her trainee days, he later enlisted in military service. After he was released from military service, his excitement came back to debut as an idol.

Tan then pivoted her path by moving to another agency, Rain Entertainment, which is owned by the legendary Korean singer Rain.

In December 2020, he was finally announced as Ciipher member, which would debut in early 2021.

Finally, he made his debut as a K-Pop idol on March 15, 2021, by releasing the I Like You EP after spending 11 years of the training period.

One year later, Tan then was offered a role in tvN drama, Ghost Doctor (2022) alongside his boss, Rain.

Read also: New Sun – Biography, Profile, Age, Trivia, Family & Life Story

Profile

  • Real Name: Choi Seok Won (최석원)
  • Stage Name: Tan
  • Nickname: Seokbo, Boss Choi, Tani Choi, Choi Fox , Seokpo
  • Birthday: August 25, 1996
  • Birthplace: Changwon, Gyeongsangnam, South Korea
  • Zodiac Sign: Virgo
  • Chinese Zodiac Sign: Rat
  • Nationality: Korean
  • Position: Lead Vocal (Ciipher)
  • Religion: –
  • Profession: Singer, Actor
  • Education: Korean Arts High School
  • Hobbies: –
  • Facebook: –
  • X: –
  • Threads: @choiseokone1
  • Instagram: @choiseokone1
  • TikTok: –
  • YouTube: –

Height, Weight, & Physical Appearances

  • Height: 184 cm (6’0″)
  • Weight: 75 kg (165 lbs)
  • Blood Type: B
  • Hair Color: Black
  • Eye Color: Black
  • Body Measurements: –
  • Shoe Size: 10 (US)

Family

  • Father: –
  • Mother: –
  • Sister: –
  • Brother: –

Girlfriend & Dating History

Unfortunately, there is no adequate information with whom Tan had a relationship in the past. There is also no information about his romantic partner at the present.

However, he is a handsome, stylist, and hardworking person who attracts many people. He might be in a private relationship, but it is guaranteed. Apparently, he focuses more on his career as a singer and member of Ciipher.

Net Worth

According to his job as a singer, his estimated net worth is around $1 million, which is derived from various performances and shows as Ciipher’s member.

Besides, he also did several advertisements, brand deals, and endorsements, and he also once got an acting project.

Plastic Surgery

There is no known information on whether he has undergone any cosmetic surgery to change his appearance.

Facts

  • Tan has a huge interest in fashion
  • His favorite colors are black and red.
  • Tan is revealed to be acquainted with VAV’s Ayno in NO.MERCY Ep.2.
  • He revealed that he really had a hard time being a trainee after he got eliminated from NO.MERCY.
  • Tan had already completed military service before debuting with her group, Ciipher.
  • During his pre-debut days, he almost gave up to be an idol, but after he got enlisted in military service, his excitement came back to strive to be an idol again.
  • Among Ciipher members, he has already won various arm-wrestling battles.
  • He is called the strongest member of Ciipher.
  • His physique is so tall and sturdy.
  • He is almost as tall as Rain, her agency’s boss.
  • His stage name, Tan, has a meaning of Spanish reverberation sound.
  • Tan went through 11 years of training.
  • His favorite music genres are tropical house and hip-hop.
  • Acting and singing are her special skills.
  • One of his role models is Rain.
  • His favorite singers are Michael Jackson, Usher, and Chris Brown.
  • His MBTI is ENFJ-T.
  • Java Chip is his favorite drink.
  • From all of Rain’s discography, his favorite song is Love Story because it motivated him to be a singer.
  • His favorite motto is “hard work never betrays you”.
  • When he gets free time, he usually will spend it hanging out with his close friends.
  • Tan is a friendly person.
  • He is flexible and can get along very well with everyone.
  • Tan is good at imitating bidet sounds.
  • His ideal type is…

Read also: Kim Young Kwang – Biography, Profile, Age, Trivia, Family & Life Story

Singles

  • Beautiful (2022) – Nara the Socialite Wannabe OST Part.1
  • O.MERCY Part.3 (2015)

Drama Series

  • Na Ra the Socialite Wannabe (TVING | 2023), as Jang Do Ha
  • Phantom School (Viki | 2022), as Lee Do Gyeom
  • The Witch Store Reopens (vLIve | 2022), as Lee Do Gyeom (ep. 6)
  • Ghost Doctor (tvN | 2022), as Choi Hoon Gil

TV Shows

  • NO.MERCY (Mnet | 2014-2015), as a contestant

Quotes 

FAQs

Who is Tan?

He is a South Korean singer and actor.

Who is Tan’s real name?

His real name is Choi Seok Won (최석원).

What makes Tan famous?

He gained popularity by debuting as a member of Ciipher in 2021, before expanding his career into acting and appearing in Korean drama series such as Ghost Doctor (2022) and Na Ra the Socialite Wannabe (2023).

Where is Tan from?

He was born in Changwon, Gyeongsangnam, South Korea.

How old is Tan?

He was born in 1996, and he is 29 years old as of 2025.

When does Tan celebrate his birthday?

He celebrates on the 25th of every August.

How tall is Tan?

His height is 6’0″ or 184 cm.

Who are Tan’s parents?

He did not reveal the names of his father and mother.

Is Tan married?

He is not married. Furthermore, there is no information on whether he is in a relationship or not.

Who is Tan’s ex-girlfriend?

His ex-girlfriend is not known.

How rich is Tan?

His net worth is around $100 thousand to $1 million.

What is Tan’s nationality?

His nationality is South Korean.

Tan is really a hardworking and humble person. Even though in the middle of his struggle he wanted to give up, he still kept going.