[1] She has taken part in theatre events such as Future Perfect, the Paines Plough Young Writers Programme and the Royal Court's 50th Anniversary season.

Her major works in English include: Can't Escape Sundays, Perceval, Psssst, Two of Us, Goldoni Terminus, Fragile!, and Fireflies.

Fragile!, directed by Matjaž Pograjc and produced by Mladinsko Theatre, has won several awards at festivals in Croatia and Slovenia.

In 2007, she co-wrote the play Pijana noć 1918 (Drunken Night 1918) with her father Ivo Štivičić for the Ulysses Theatre, Zagreb.

Her play 3 Winters premiered at National Theatre in London, and won Štivičić the 2015 Susan Smith Blackburn Prize.