1. Lee Ji-hoon, known by his stage name Woozi, is a South Korean singer, songwriter and record producer.

1. Lee Ji-hoon, known by his stage name Woozi, is a South Korean singer, songwriter and record producer.
From a young age, Woozi studied classical music and learned to play the clarinet and other band instruments.
Woozi successfully auditioned for Pledis Entertainment and met labelmate Bumzu, a frequent collaborator on music production.
Woozi graduated from Hanlim Multi Art School and subsequently enrolled in Hanyang University.
On May 26,2015, Woozi debuted in the self-producing group Seventeen with the single "Adore U".
Woozi helped write and produce every track on their debut extended play 17 Carat.
Shortly thereafter, Woozi began writing for other artists as well.
Woozi became a full member of the Korea Music Copyright Association in 2019.
On October 15,2019, Woozi released the song "Miracle" for the soundtrack of the television series The Tale of Nokdu.
That year, Woozi won Best Producer at the 6th Asia Artist Awards, becoming the youngest recipient of the accolade in the show's history.
Woozi released his first mixtape, Ruby, on January 3,2022.
On January 26,2024, Woozi officially released the song "What Kind of Future" as a birthday gift to his late friend Moonbin, who had died the previous year.
On February 19,2025, Pledis Entertainment announced that Woozi would be debuting in a sub-unit alongside Hoshi as Hoshi X Woozi with the release of a single album titled Beam on March 10.
Woozi is set to commence his mandatory military service in the South Korean military in the second half of 2025 as an active duty soldier.