Billie Zagni

Senior Associate

Billie is an insurance litigation lawyer, with a particular focus on professional indemnity insurance.

She specialises in medico-legal litigation, assisting a broad range of health professionals including doctors, nurses, physiotherapists, psychologists, counsellors, dentists, and optometrists in relation to complaints and disciplinary proceedings. Billie also assists other professionals including social workers facing complaints and disciplinary proceedings, and architects and engineers facing civil proceedings.

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Billie regularly provides indemnity and liability advice to insurers regarding complex claims.

She also has experience in general commercial litigation, and the alcohol law sector and has assisted various alcohol industry participants including supermarkets, bar operators, off-licence holders, and individual alcohol managers with all aspects of alcohol licensing and enforcement.

Billie has experience in both small and large-scale litigation and has appeared in hearings before the High Court, District Court, Coroner’s Court, Health Practitioners Disciplinary Tribunal, Alcohol Regulatory and Licensing Authority, and various District Licensing Committees and professional boards.

She is outcome focused and enjoys working collaboratively with her clients to find the solutions that best meet their needs.

She is currently on parental leave.

Recent highlights

  • Representing health professionals who face charges in the Health Practitioners Disciplinary Tribunal.

  • Representing a client in a high-profile coronial inquiry.

  • Representing a physiotherapist in an appeal hearing in the High Court.

  • Assisting an architect at a multiple party mediation in respect of a construction dispute.

  • Supporting a social worker at a meeting with a professional conduct committee following a complaint.

Billie's insights

Insurance law insights featured in GILC Risk Radar report 2024

24 May 2024

Limitation of liability clauses upheld by the High Court

18 April 2024

Chambers and Partners - Insurance & Reinsurance 2024 New Zealand chapter

23 February 2024

We're driven by our values

They drive our client relationships and connections with our community, and underpin our achievements.


  • Completed a secondment at AIG in the Financial Lines claims team.

  • Member of the Auckland Medico-Legal Society.

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