Antonia Marran

Special Counsel

Antonia Marran is an Accredited Specialist in Family Law and a Special Counsel in the Mills Oakley Family Law Team.

Antonia works exclusively in the field of family law and has developed extensive expertise in all aspects of the jurisdiction, including:

  • High Conflict Parenting Matters: Managing parenting matters involving serious allegations of family violence, complex mental health concerns and high conflict parenting dynamics
  • Complex Property Settlement Matters: Advising on property matters involving asset pools with multiple corporate and trust structures and high-net-worth clients
  • International Family Law: Including cross-border parenting disputes and international relocation matters, with experience in cases engaging the Hague Convention on the Civil Aspects of International Child Abduction
  • Financial Support Matters: Providing strategic guidance on child support and spousal maintenance tailored to each client’s financial and personal circumstances.

Antonia combines careful analysis, strategic clarity, and a strongly client‑focused mindset in her approach to family law. She is known for navigating complex matters with precision and foresight, while remaining attentive to the practical realities facing families in transition. Her work is informed by a deep appreciation of both the legal framework and the emotional dynamics that underpin family law disputes, enabling her to guide clients toward outcomes that are not only sound in law but sustainable over the longer term.

Antonia has been recognised in the Doyle’s Guide List in 2024 and 2025, Rising Star. She presents regularly on a broad range of family law topics and is actively involved in community and professional education. Antonia is the Director of the Kidman Centre, a not‑for‑profit focused on youth mental health and brings extensive knowledge and experience in complex parenting matters. She also has a substantial media background as a journalist specialising in parenting and social issues and is the host of Beyond Borders: International Family Law podcast on international family law.

Memberships, Accreditation and Activities

  • Juris Doctor from Macquarie University
    • Macquarie Law School Prize for Administrative Law
    • Faculty of Art Highest Achiever in a Unit of Study Award
  • Bachelor of Arts, University of New England
  • Accredited Parenting Co-ordinator, Parenting Coordination Australia
  • Specialist Accreditation in Family Law, Law Society of New South Wales.

Philanthropic Work

  • The Kidman Centre – Non-executive director
  • Aboriginal Legal Service (ALS) Redfern, Legal Clinic Volunteer
  • Transient Workers Count Too (TWC2) Singapore, Legal Clinic Volunteer
  • Pro Bono Services Office, The Law Society Singapore, Volunteer
  • ANZA Action, Singapore, Patron
  • Royal Hospital for Women, Randwick, Ambassador.

 

Expertise

Antonia’s expertise includes:

  • Parenting Matters: Expertise in complex disputes, relocation, and cases involving neurodivergent children (e.g., autism, ADHD)
  • International Family Law: Handling cross-border disputes and international relocation for families across jurisdictions
  • Family Violence: Addressing serious allegations and risks, focusing on safety and the impact of trauma and neurodivergence
  • Property Settlements: Managing high value asset pools for high net-worth individuals. Asset Protection: Creating binding financial agreements for couples, including those contemplating a relationship
  • Child Support: Offering guidance on assessment, variation, and enforcement
  • Divorce: Providing advice on procedural and strategic aspects.

Memberships, Accreditation & Activities

  • Juris Doctor from Macquarie University
    • Macquarie Law School Prize for Administrative Law
    • Faculty of Art Highest Achiever in a Unit of Study Award
  • Bachelor of Arts, University of New England
  • Accredited Parenting Co-ordinator, Parenting Coordination Australia
  • Specialist Accreditation in Family Law, Law Society of New South Wales.

Philanthropic Work

  • The Kidman Centre – Non-executive director
  • Aboriginal Legal Service (ALS) Redfern, Legal Clinic Volunteer
  • Transient Workers Count Too (TWC2) Singapore, Legal Clinic Volunteer
  • Pro Bono Services Office, The Law Society Singapore, Volunteer
  • ANZA Action, Singapore, Patron
  • Royal Hospital for Women, Randwick, Ambassador.