South Korean record executive Park Jin-young was a judge on K-pop Star 2.
K-pop Star 2 . 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 . Park Jin-young ( ; born September 22 , 1994 ) , better known by the mononym Jinyoung , is a South Korean singer , songwriter and actor .