"2,3 salute! Hello, I'm Woojin!" Park Woo Jin (박우진; or simply Woo Jin) is a South Korean rapper under Brand New Music. He is the main rapper of the boy group AB6IX and a former member of the project boy group Wanna One.
In 2017, Woojin participated in the second season of Mnet's survival television show, Produce 101, along with other four trainees from his agency, Brand New Music. Him and Lee Dae Hwi were the only one to made it to the final line up, ranking 6th and 3rd respectively, becoming members of the boy group Wanna One.
On August 7, 2017, he debuted in Wanna One with the mini album, 1X1=1 (To Be One), and its title track, "Energetic".
After the disbandment of Wanna One on January 27, 2019, Woojin was revealed as a member of Brand New Music's new boy group, AB6IX, consisted of all four trainees of Produce 101 and another trainee from the agency. The group debuted on May 22, 2019 with the mini album B:Complete and its title track, "Breathe". Before their official debut, a performance video of the track "Hollywood" was released on April 25, 2019.