Stewart curated the group exhibition Private at the Hockney Gallery whilst a student at the Royal College of Art in 1997 which included the work of Clare Strand and Maggie Lambert.
He has curated and written exhibition introductions for a number of shows for university galleries including Edition, an exhibition of sixty prototype and dummy books at the University of Brighton during the Brighton Photo Biennial 2006 and a group exhibition at RMIT's School of Creative Media Project Space in 2008.