Kosar, Sarah

Sarah Kosar is an American playwright who lives in London. She holds a double B.A. in Theatre and in Film from Pennsylvania State University as well as an M.A. in Writing for Stage and Broadcast Media from the Royal Central School of Speech and Drama. As an emerging artist, Kosar was one of the Old Vic 12 in 2017/2018. She has also been granted an Exceptional Promise in Playwriting visa and has been part of several programmes, including The Royal Court Young Writers Programme and The Soho Young Writers Lab.

Her first play, Hot Dog (2013), was produced at The Last Refuge, London and premiered in the United States in 2014. It was also introduced to the syllabus for Advanced Playwriting and the senior level Women in Theatre course at Pennsylvania State University. In 2016, Kosar’s play Mumburger premiered at The Archivist’s Gallery, where she was the Inaugural Writer in Residence. Mumburger later transferred to The Old Red Lion in 2017 and to Carngie Stage in 2019 and was nominated for an Off-West-End Award. In May 2019, Kosar’s play Armadillo premiered at The Yard Theatre.

Kosar also works as Director of Talent at music-tech start up ROLI and is the founder of the playwright club Playdate, which includes members like Vinay Patel and Stephen Laughton.


—. Mumburger. London: Methuen Drama, 2016.

—. Armadillo. London: Methuen Drama, 2019.