As a writer her debut play Sisters re-opened the Sheffield Crucible Studio in 2010 and in 2018 her play Dragonflies won Best Original Script at the Straits Times Theatre Awards in Singapore. She has adapted for theatre Wuthering Heights and The Reluctant Fundamentalist (nominated for the 2018 Amnesty International Freedom of Expression and  Carol Tambor Best of Edinburgh awards) and is a columnist for The Stage, the world’s oldest theatre publication.

Stephanie co-founded and chairs The Act for Change Project which campaigns for representative diversity in the performing arts and sits on the board of Chichester Festival Theatre.