[8] While in tenth grade Shaun attended a career expo at the Brisbane Showgrounds, becoming fascinated with a booth set up by Youth For Understanding Davies subsequently did a 3-month student exchange program in France where he discovered his passion for endangered languages, like Galician.

In his spare time, Shaun enjoys the Star Trek: Discovery series, finding the show's Xenolinguistics and other themes thought-provoking.

[16] Describing social media as the new "campfire" and technology's central importance in keeping Indigenous languages alive for future generations, Davies has worked with Snapchat,[17] aided the development and expansion of the Yugambeh App,[18] and the creation of Google's 'Woolaroo' – an open-source photo-translation platform.

[27] The following year, he appeared in the ABC documentary series Back to Nature where he guided the hosts through the Yugambeh language and stories associated with the Springbrook area.

[15] Shaun is involved in protecting Yugambeh cultural heritage and land, being part of the consultation for the Gold Coast Light Rail construction's at Jebbribillum Bora Ring and a Cultural Heritage Coordinator,[28] he is also the treasurer of the Yugambeh Land Enterprises, and elected Representative for the Birinburra clan[29] and Native Title applicant.

[33] Shaun denounced the Morrison government's 2022 High Court challenge to the precedent established in Love v Commonwealth that Aboriginal Australians (understood according to the 3-part test in Mabo v Queensland (No 2)) are not within the reach of the Commonwealth's "aliens" power, Davies called the Government's actions a step backwards for Australia that undermined the foundations of Aboriginal identity.

[44] Shaun has conducted additional linguistic work on the Yugambeh–Bundjalung languages and collected good evidence that previous classifications of the dialect chain have over differentiated between the varieties.