Callista Harris joins 3VB as Associate Member

Members of 3VB are delighted to announce that public international law and investment arbitration specialist, Callista Harris, has joined Chambers as an associate member.

Admitted to the Bar in New South Wales, Callista primarily practices from 7 Wentworth Selborne Chambers in Sydney. She has acted as counsel in numerous proceedings before the International Court of Justice, the International Tribunal for the Law of the Sea, UNCLOS Annex VII tribunals and investment tribunals.

Before being called to the Bar, Callista practised at Freshfields Bruckhaus Deringer, in the firm’s international arbitration group and public international law practice. During that time, Callista worked in Paris, London and Singapore, and was seconded to the British Foreign & Commonwealth Office. Callista was also previously a research associate to Professor James Crawford AC SC and a judge’s associate to the Honourable Justice Susan Kiefel AC at the High Court of Australia.

Callista holds a PhD in law from the University of Sydney and a Master of Law (First Class Honours) from the University of Cambridge. Callista regularly publishes and speaks on issues of public international law, and was awarded the inaugural Rosalyn Higgins Prize for her article “Claims with an Ulterior Purpose: Characterising Disputes Concerning the ‘Interpretation or Application’ of a Treaty”.

On joining 3VB, Callista said, “I am thrilled to join 3VB and look forward to working with members of chambers on significant public international law and investment arbitration disputes”. 

Callista joins a strong roster of existing members of Chambers working in public international law matters before international courts and tribunals.

Please contact our Senior Practice Managers, Stuart Pullum or Stephen Penson, with any enquiries relating to Callista’s practice.

Winner: UK Bar Awards 2023
The Lawyer Awards 2022: Chambers of the Year