Jo Kwon is a South Korean singer and entertainer, leader of ballad boyband 2AM. Jo Kwon is the longest-serving male trainee in JYP Entertainment. He was chosen as the last members of Park Jin Young's "99% Challenge Project" along with Sunye of Wonder Girls. In 2008, he appeared on MNET's Hot blood, a program that showed the intense physical training that 13 male trainees had to go through for the opportunity to debut in either 4-member ballad group or 7-member dance group One Day under JYP Entertainment.After getting through the eliminations, Jo Kwon was given the position of 4-member ballad group's leader.