J.Seph is a South Korean singer and rapper, best known as a member of the boy group KARD. Born on November 21, 1992, he is recognized for his charismatic stage presence and versatile musical style. J.Seph contributes to the group as a lead rapper and is involved in songwriting and producing. He debuted with KARD in 2017, gaining popularity for their unique blend of K-pop and reggae influences. The group is known for their co-ed concept, which sets them apart in the competitive music industry. J.Seph's talent and charm have earned him a dedicated fanbase.