As of April 2020[update], he is a lecturer at Deakin University in Victoria, and Associate Investigator, ARC Centre of Excellence for Australian Biodiversity and Heritage.
Griffiths earned his Honours degree at the University of Sydney in 2011, basing his thesis on Gough Whitlam and Australia-China relations.
He wrote an article, "A world in a grain of sand: the Malakunanja II diaries",[6] based on his experiences at the dig, in which he expanded on the theme of the "storied landscape" of Aboriginal history made evident by the site.
[11] Deep Time Dreaming: Uncovering Ancient Australia[12] is the work which has garnered national and international attention, numerous awards[9] and excellent reviews.
[13] The book highlights the work of Australian archaeologists and others, such as Vere Gordon Childe,[7] John Mulvaney, Rhys Jones, Isabel McBryde, Betty Meehan, Harry Lourandos, Jim Bowler, Lesley Maynard, Sylvia Hallam and Carmel Schire,[12] and the role of both archaeologists and Aboriginal leaders in establishing heritage legislation to protect places of cultural and natural significance, often meeting resistance.
[7] The work met with many favourable reviews by authors, in publications such as The Monthly, The Sydney Morning Herald and Overland literary journal.