Lee Dong-hae, referred to as Donghae, is a South Korean singer, songwriter, composer and actor. He became a trainee under SM Entertainment after winning a prize at SM's Youth Best Contest in 2001. After four years of training, Donghae debuted as a member of boy group Super Junior in November 2005. In July 2023, Lee left SM Entertainment, although he remains as a member of Super Junior. Two months later, Lee along with Eunhyuk founded new label ODE.ent to managed his solo activities as well as D&E's activities and he also charges as a Co-CEO of the label.

Super Junior , also known as SJ or SuJu, is a South Korean boy band composed of Leeteuk, Heechul, Yesung, Shindong, Sungmin, Eunhyuk, Siwon, Donghae, Ryeowook, and Kyuhyun. Han Geng, Kibum, and Kangin were originally part of the group before departing in 2011, 2015 and 2019, respectively. The group was formed by the founder of SM Entertainment, Lee Soo-man in 2005 as a 12-piece group with rotational members but the concept was abandoned after addition of Kyuhyun in 2006. They are also dubbed by the media as the "King of Hallyu Wave" due to their contributions in Korean Wave.