Tanith began her career like many Indigenous filmmakers at CAAMA (Central Australian Aboriginal Media Association) in Alice Springs.

Tanith is co-founder of Since1788 Productions, it is an Independent Indigenous owned production company co-owned by Dylan River. Together they created a company that allows them to make high-quality content across a range of genres and platforms specifically to tell stories that are meaningful and culturally appropriate that is committed to ensuring Indigenous stories are authored and told through the Indigenous perspective.

Tanith's credits as producer include critically acclaimed and award winning documentary, 'She Who Must Be Loved', AACTA Award winning online series, 'Robbie Hood’ and as a director AACTA Award winning short film 'Finding Jedda’.

She has two projects due out in 2024 for Stan, her feature film directorial debut ‘Windcatcher’ produced by Unless Pictures and Every Cloud Productions, and, 'Thou Shall not Steal' - credited as Creator, Writer and Executive Producer as a co-pro with Ludo Studio.