Choi Do Won is a South Korean singer and current member of the group "Ulala Session". He graduated from the Seoul Institute of the Arts. Ulala Session debuted in 2011 but suffered the death of leader Lim Yoon Taek in 2013 and after that, it went through several member changes. Choi joined the group in late 2015 and began working with Park Seung Il and Kim Myung Hoon since early 2016 in order to bring some popularity back to "Ulala Session". In 2022, the group entered the competition show "Sing Again 2" and reached the top 10.
(Source: Korean = Namu Wiki || Translation = MyDramaList)
