Soobin

Biography

Choi Soo-bin (Korean: 최수빈; born December 5, 2000), known mononymously as Soobin, is a South Korean singer and songwriter. He is the leader of the South Korean boy band Tomorrow X Together, formed by Big Hit Entertainment in 2019.

Early life and education

Choi Soo-bin was born on December 5, 2000, in Sangnok District, Ansan, South Korea. He is the youngest of three children, with an older brother and sister.
Soobin briefly attended Ansan High School before dropping out to focus on his training as an idol trainee. After passing the High School Graduation Equivalency Examination, he enrolled in Global Cyber University in 2019.

2019–present: Debut with Tomorrow X Together and solo activities

Soobin was the second member of Tomorrow X Together to be revealed, having undergone three years of training with Big Hit Entertainment. He debuted with the group on March 4, 2019, with the release of the extended play (EP), The Dream Chapter: Star. The EP peaked at number one on the Gaon Album Chart and the Billboard World Albums Chart.
On July 20, 2020, it was announced that Soobin would join Music Bank as the new host, alongside Arin of Oh My Girl. In recognition of their on-screen chemistry, they received the 'Best Couple Award' at the 2020 KBS Entertainment Awards. Soobin also served as a backstage host for the 2020 KBS Song Festival, co-hosting with Arin. He returned in the same role for the 2021 KBS Song Festival, joined by Arin, Jang Won-young, and Sunghoon of Enhypen.
In November 2024, Soobin began hosting My Faves' Fave, a web variety show on the Pixid YouTube channel where K-pop idols and other guests present their favorite things. The show was renewed for a second season in April 2025. On June 5, 2025, it was announced that Soobin would host the 34th Seoul Music Awards, alongside Kang Seung-yoon and Miyeon of I-dle. Later in 2025, he was cast as a co-host for the observational dating reality show Noona Is a Woman to Me, which premiered on KBS2 on October 27.

Endorsements

In August 2025, Soobin was named youth ambassador for the cosmetics brand Into You. Two months later, on October 1, he was announced as a brand ambassador for the South Korean fashion label Covernat. As a member of Tomorrow X Together, he has also represented global luxury brands such as Dior. On September 8, 2026, Italian luxury fashion house Dolce & Gabbana announced Soobin as its global ambassador.

Philanthropy

On January 29, 2024, it was reported that Soobin had donated ₩100 million (US$74,760) to the Seoul Metropolitan Children's Hospital. ₩20 million of the total was designated specifically for the medical treatment of children with severe and urgent health conditions, while the remaining ₩80 million was allocated to improving the hospital's facilities and environment.

Health

On November 19, 2024, Big Hit Music announced that Soobin would temporarily suspend his activities due to health concerns. The company stated that he had been experiencing extreme fatigue and was advised by medical professionals to take time off for rest and recovery.

Songwriting credits

All song credits are adapted from the Korea Music Copyright Association's database unless stated otherwise.