[4] In 2005 he wrote a stage adaptation of The Constant Prince, which performed at the Oxford Playhouse and London Arcola.
[7] He wrote the original script for the Assassin's Creed film adaptation in 2016, which was then rewritten by Adam Cooper and Bill Collage and others.
[7] In 2018 he served as lead writer and executive producer on John Le Carre's The Little Drummer Girl.
The TV series starred Florence Pugh, Michael Shannon, Alexander Skarsgard and Charles Dance, and was directed by Park Chan-Wook.
[7] In 2023 he co-wrote the adaptation of Suzanne Collins' novel The Hunger Games: The Ballad of Songbirds & Snakes, directed by Francis Lawrence.