Christina Domnick studied conducting at the Lübeck Conservatory, followed by her first engagement as répétiteur with conducting duties at Theater Bremen, where she conducted numerous repertoire performances of operas, operettas and musicals. She then worked as répétiteur at the Deutsches Nationaltheater in Weimar, after which she was engaged as Studienleiter at the Komische Oper Berlin from 2008 to 2016. She has been working as Musical Assistant at the Wiesbaden State Theatre since the 2017/18 season. Guest engagements have taken her to the Bregenz Festival, as well as the Opera Academy der Jeunesses Musicales Deutschland in Weikersheim. She is also greatly in demand as piano accompanist, vocal and language coach and was the co-founder of the International Summer Academy am Rhein/Rheinbischofsheim.