Denise has always had a strong interest in her culture and language, and has worked for two decades on reviving and maintaining Noongar language. In 1997-2002 Denise was part of establishing an Aboriginal K-3 School. In 2001, Denise became a Noongar LOTE teacher. Denise qualified with a Batchelor of Arts in Language and Linguistics from Batchelor Institute of Indigenous Tertiary Education in 2008.
Denise is now the Senior Linguist/Language Coordinator for NBLCAC, undertaking forensic analysis of the extensive recordings, transcriptions, historic materials, lexical database, morphology, dictionary, sketch grammar and phonology.
Denise is a member of the International Decade of Indigenous Languages Directions Group since 2022. In May 2023, Denise received an Order of Australia Medal for her decades of work on revitalising Noongar Language.