Park Seo Ham (박서함) is a South Korean singer. He is a member of the boy group KNK.
Along with Inseong, he was a former Big Hit Entertainment trainee wherein they both trained with the members of the boy group BTS. When he moved to JYP Entertainment, he became an actor trainee after he won the second place at the company’s 10th Open Audition on February 19, 2013. Before debuting with KNK, he was a backup dancer for the live performances of BESTie’s “Zzang Christmas” as well as “I Need You”.
In March 2017, he was included as one of the cast member of an acting competition show on K Star titled I am an Actor.
Source: kpop wiki