Mark has been working as a writer since 2005 when he started as a columnist for OCWeekly. It was this that landed him the position of assistant editor on the novel Abarat: Absolute Midnight by Clive Barker, he subsequently edited the New York Times best belling book The Scarlet Gospels. Mark’s work is not limited to horror, however, and in early 2014 he produced a series of animated shorts with the comedy troupe Superego for Nerdist Channel. He can also be heard on various Nerdist channel podcasts, including The Nerdist, Bizarre States, The Dork Forest, The Nerdist Writers Panel, and The Todd Glass Show. His comic writing can be seen in the bestselling Boom! Studios comic books, Hellraiser, Hellraiser: Bestiary, and the critically acclaimed Next Testament, as well as Seraphim Comics’ Hellraiser: Anthology Vol 1 & 2, and The Steam Man of the Prairie and the Dark Rider Get Down released by Dark Horse from a story by Joe R. Lansdale. He has released two books, Next Testament published by Earthling, and Hellraiser: The Toll, narrated by Horror Icon Tom Holland.