 Cummings is a member of the Australian Horror Writers Association, the Horror Writers Association (US), and a graduate of the Clarion South writers workshop (2005).Cummings has won two Ditmar Awards (for HorrorScope in 2005 and 2006), and in 2015, he won the Australian Shadows Award - Paul Haines Award for Long Fiction - for his novella "Dreams of Destruction".He has been nominated for more than twenty other genre awards for his writing and editing, including Spain's Premio Ignotus.