Kaja Jean was born into a family of visual artists and attracted to the medium of film from a young age. When she was nineteen, she decided to move to New York City to study acting. Since then, she has studied at some of the world's top drama schools, such as: The Neighborhood Playhouse School of Theatre; the Stella Adler Studio of Acting; and the Guildhall School of Music & Drama. She has U.K., Estonian (EU), and Canadian citizenship.