K-pop Star 2 employed a record executive.
K-pop Star 2 . Yoon Do-hyun returned as host and narrator , and Boom returned as live host . Yang Hyun-suk , Park Jin-young , and BoA returned as judges . Park Jin-young ( born December 13 , 1971 ) , better known by his stage name J. Y. Park or JYP , is a South Korean singer-songwriter , record producer , reality television judge and record executive .