Susanna Hyvärinen is an actor, screenwriter and singer-songwriter based in Helsinki, Finland. She has worked in a variety of stage and on-screen productions. She is a member of Musiikkiteatteri NYT, Riskiryhmä and is a co-founder of the London based theatre collective Cognatus. She has graduated from the Theatre Academy Helsinki with MA Acting 2023. Before that she has graduated from East 15 Acting School (MA Acting International 2017–2018). She also holds a Bachelor's and Master's degrees in Theatre Research from the University of Helsinki (2010–2017). Susanna has widened her training at GITIS, Russian Academy of Theatre Arts and trained both Shakespeare and Stage Combat at Shakespeare's Globe Higher Education. As a singer-songwriter and producer, Susanna has released music under the artist name Sosié. Currently she's working on a TV-series pilot called TURN OFF, which she has written with her colleague Mimma Määttälä.