Esther MacCallum-Stewart attended the University of Sussex where she completed her degrees from BA to doctorate.

Though her doctorate thesis was on Popular Culture and the First World War MacCallum-Stewart has gone on to become the Associate Professor of Game Studies at Staffordshire University.

[7][8][9] She was nominated in 2017 for Hugo Award for Best Fanzine for Journey Planet.

MacCallum-Stewart is currently the chair of British DiGRA and was responsible for hosting the BDiGRA 2018 conference.

She is also heavily involved in science fiction and fantasy fan communities.