Don Lee was born in South Korea. He studied singing in Seoul and at the Musikhochschule in Stuttgart by KS Francisco Araiza. Furthermore he studied by Bonaldo Giaiotti. During his studies he already sang in several productions in Germany and South Korea. He sang Sarastro in „Die Zauberflöte“ in Seoul and Gremin in „Eugen Onegin“ with the Philharmonie Konstanz at the Wilhelma Theater Stuttgart.
From 2009 until 2010 Don Lee was part of the opera studio at the Staatsoper Stuttgart.
He first performed as Basilio in „Il barbiere di Siviglia“ at the Thüringer Sommerfestspielen in Sondershausen and as Cecco del Vecchio in „Rienzi“ at the Staatstheater Meiningen.
From 2012 until 2016 Don Lee was part of the opera ensemble at the Theater Ulm, where he stand on stage in the roles of King Heinrich in „Lohengrin“, in the title role of „Don Pasquale“ and in the role of Commendatore in „Don Giovanni“.
In the season 2016/17 he gave a guest performance as Bottom in „A Midsummer Night’s Dream“ at the Theater Trier. In Summer 2018 he sang the role of Timur in „Turandot“ at the Daegu Opera House in South Korea.
From 2018 till 2022 he was part of the ensemble at the Anhaltisches Theater Dessau, where he has been seen on stage in the role of the Eremit in „Der Freischütz“, Geronte de Ravoir in „Manon Lescaut“ and Zaccaria in „Nabucco“ (concert performance), Sarastro in „Die Zauberflöte“, Padre Guardiano and Il Marchese di Calatrava in „La forza del destino“, Sparafucile in „Rigoletto“, King René in „Iolanta“ and Don Basilio in „Il barbiere di Siviglia“.
In 2022 he made his debut as Padre Guardiano and Il Marchese di Calatrava in „La forza del destino“ (Petersburger original version) at the Frankfurt Opera.
Since February 2023 he is part of the opera ensemble at the Staatstheater Kassel.