Gregory is an Australian author, film-maker, actor and vlogger.

He has written the short story, The Lonely Australian of the Asian Night; the horror-suspense novellas, The Regressor and He, and Memoir of a Suburban Hoe-Bo, which is partly an account of when he lived out of a van for ten years in Melbourne.

Gregory is also the writer / director of the feature films, The Garth Method (2005) and The Joe Manifesto (2013), which won national and international awards and been distributed through Accent Entertainment, Label, and Vanguard Cinema.

Gregory's more informal video projects are the feature documentaries, Garth Goes Hitch-Hiking (2007) and Garth Lives in a Van (2011) which have screened at film festivals in Australia.

More recently, he has created the comedy series, suBURPieS and his WACKY VLOG which can be found on his socials.

Gregory has been featured in articles in Melbourne newspapers, The Age, The Herald Sun, Beat Magazine, Inpress, FILMINK, and the Neos Kosmos. He has been interviewed on radio by the ABC, 3RRR, SYN FM, 3CR.