Originally from Caerphilly, Jemima studied at both Canolfan Berfformio Cymru and California State University Long Beach, graduating with a First-Class Honours degree in Performance. Theatre credits include; Hansel and Gretel (BlackRAT Productions), Basil & the Ice Witch: A New Adventure in Tickledom (Tickledom Productions), Jack & The Beanstalk, Cinderella, Aladdin (RCT Theatres), Cadoc and the Drowned Bovs, Elvis: The Rhondda Years (Contemporancient Theatre) Lego Shows Live! Bahrain (ATW Events) the Stereophonic Musical R&D Word Gets Around, The Invisible Man (BlackRAT Productions), The Curious Case of Aberlliw, The First Three Drops (Taking Flight Theatre), and The Butterfly Hunter (Theatr na nÓg).