[3] He was dramaturg and Literary Associate on A Disappearing Number for Complicite, which won the 2007 Evening Standard, Critics’ Circle and Olivier awards for Best Play.

In 2011 he wrote the adaptation of Henrik Ibsen's epic Emperor and Galilean for the National Theatre.

His new version of Euripides' Medea, starring Helen McCrory in the eponymous role, ran at the National Theatre from July to September 2014.

[4] In 2015 he was appointed deputy artistic director of the National Theatre; the role had not previously existed.

[5] In 2016 he condensed three works by D. H. Lawrence into a single play, presented as Husbands and Sons in the National's Dorfman theatre and in 2024 he adapted Dickens' Our Mutual Friend into London Tide, a play with songs by PJ Harvey.