Celina Rongen was born in Aachen. She trained as an actor from 2013 to 2017 at the Ernst Busch Academy of Dramatic Arts in Berlin. During her studies, she was engaged at the Berlin Volksbühne and Schauspiel Berlin. In the 2016/17 season, she was a member of the Berliner Ensemble ensemble, and joined the Mannheim National Theatre ensemble in 2017. At the beginning of Burkhard C. Kosminski's artistic directorship in 2018/19, she became part of the Schauspiel Stuttgart ensemble. She has worked with directors such as Achim Freyer, Volker Lösch, Bernadette Sonnenbichler, Friederike Heller, Oliver Frljić and Viktor Bodó.