Mark Foss is the author of three novels and a collection of linked stories. Individual pieces of short fiction and creative non-fiction have also appeared in Canadian, American and British journals and anthologies. His work has been supported by a residency at the Marble House Project in Vermont and two grants from the Canada Council for the Arts.

With Spoon Jackson and Sara Press, he is the co-editor of The Book of Judith (New Village Press, 2022), an homage to the poet, writer and teaching artist Judith Tannenbaum and her impact on marginalized and incarcerated students in the U.S.

He lives in Tiohtià:ke/Montréal.