Jung Seung Bo, known professionally as Dann, is a South Korean singer and leader of the group KINGDOM. He lived in South Korea as a child and moved to Dubai, United Arab Emirates when he was 10 where he studied at an international school, learning English and French. He moved back to South Korea in 2016 and a year later debuted as part of the 12-member group VARSITY which, sadly, disbanded in 2020. He decided to sign with GF Entertainment and in 2021 he re-debuted as part of Kingdom where each of the 7 members represents a different king in history.
(Source: Korean = Namu Wiki || Translation = MyDramaList)