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Sianne specialises in litigation and dispute resolution and acts for a diverse client base.


Sianne joined Mellor Olsson in 2024. She has over 12 years’ experience practicing in legal firms both in South Australia and the United Kingdom.

Sianne has always practiced as a litigator and brings significant experience in a wide range of commercial and civil litigation matters, including contract disputes, insurance, insolvency and debt recovery matters.

Sianne is a highly professional and approachable individual who provides measured advice, ensuring her clients achieve the best possible outcome via dispute resolution or, if necessary, through the court process.

She has an excellent reputation for taking on and resolving problems, prioritising the multi-faceted needs of her clients and improving overall client satisfaction.

Memberships & Affiliations

  • Member - Law Society of South Australia
  • Member - Women's Lawyer's Association of South Australia
  • Member - Women's Insolvency Network (SA)


  • Bachelor of Laws
  • Graduate Diploma of Applied Law (Family Law)
  • Graduate Diploma in Legal Practice (GDLP)
  • Bachelor of International Studies
  • Diploma of Languages (Japanese)