Stewart is a writer, director and dramaturg from Aberdeen.

He scripted Islander, which was selected for the Made In Scotland 2019 showcase and subsequently revived in Australia, South Korea, Poland, Off-Broadway and for a North American tour. Stewart also adapted his script for broadcast on BBC Radio 4 and for streaming with Dundee Rep Studios and Eden Court.

His play Seesaw was staged at Unicorn Theatre and subsequently revived at the National Theatre of Greece and at Haya Arts Center, Amman, supported by the British Council. His dramaturgical work includes projects for the RSC, Bristol Old Vic and Hull Truck.

Stewart has collaborated with students, migrants, elders and people in recovery from addiction to devise and write community plays at venues including the Young Vic, Almeida Theatre and Tokyo Metropolitan Theatre.