Jo Kwon (조권, born 28 August, 1989), is a singer from South Korea under Cube Entertainment. He was the leader of the boyband 2AM. He is longest-serving male trainee in JYP Entertainment, having trained for 2567 days; exactly 7 years and 12 days since joining JYP. 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 a 4-member ballad group or 7-member dance group (later named 2AM and 2PM, respectively) under JYP Entertainment. He sang with Jinwoon in May .