Callista Harris

Callista HarrisCallista Harris

Callista was admitted as a lawyer in 2012 and called to the Bar in 2023.

Before being called to the Bar, Callista practised at Freshfields Bruckhaus Deringer, in Paris, London and Singapore. She was also an associate to the Honourable Justice Susan Kiefel AC at the High Court of Australia and research associate to Professor James Crawford AC SC.

Callista accepts briefs in all areas of law. She has particular expertise in international commercial arbitration, investment arbitration and public international law. She has acted as counsel in international commercial arbitrations under a range of arbitral rules, including the UNCITRAL and ICC Rules, and in investment arbitrations, including before ICSID tribunals. Callista also has experience in proceedings before the International Court of Justice, the International Tribunal for the Law of the Sea, UNCLOS Annex VII tribunals and the European Court of Human Rights.

Callista holds a PhD in law from the University of Sydney and a Master of Law (First Class Honours) from the University of Cambridge.

Recent Cases

Admissions and Appointments
  • Admitted to the Bar: 2023  
  • Admitted as a Barrister and Solicitor (New Zealand): 2019
  • Admitted as a Legal Practitioner (New South Wales): 2012
  • DPhil in Law (University of Sydney): 2022
  • Master of Law (Hons I, University of Cambridge): 2012
  • Bachelor of Laws (Hons I, University of Sydney), Bachelor of Science: 2009
Practice Areas
Building & Construction
Criminal Law
Commercial Law
Commissions & Inquiries
Common Law
Competition & Consumer Law
Conflict of Laws
Equity & Trusts
Insurance & Re-Insurance
International Law
Planning & Environment
Representative Proceedings