Dion Kagan holds a PhD from the University of Melbourne, where he also lectured in gender and cultural studies. His dissertation, on gay men and HIV/AIDS in the culture of post-crisis (c.1996 onwards), was published as Positive Images by I.B. Tauris in 2018.
In 2018, Kagan was books editor at Black Inc. His work has appeared widely in Australian periodicals, including regular columns in The Lifted Brow, and he co-hosts fortnightly culture podcast The Rereaders.