Keilin is a public international lawyer with particular expertise and experience in international dispute settlement. Currently, she is completing a PhD at the University of Cambridge, funded by Trinity College’s Hollond-Whittaker Research Studentship in Law.

Keilin has worked as a Senior Lawyer in Australia’s Office of International Law, advising on a wide range of international law issues from law of the sea to international humanitarian law. She was a Judicial Fellow at the International Court of Justice and has also worked for judges at the International Criminal Court and in domestic Australian courts.

Keilin completed her undergraduate studies in law and political science at the University of Queensland (Brisbane) and holds a Master of Laws from the Australian National University (Canberra). Keilin has taught public international law, international dispute settlement and conflicts of law at the University of Cambridge, the ANU and the University of Adelaide. She has coached two Australian Jessup teams, including the 2019 World Championship team.

Research interests 

• Public international law
• State responsibility
• Dispute settlement
• The practice and procedure of the International Court of Justice

Teaching interests 

• Public international law 

Selected publications 

Keilin Anderson, 'The (in)admissibility of interventions with respect to provisional measures' (12 September 2025) EJILTalk.

Keilin Anderson and Douglas Guilfoyle, 'Maritime Security' in Danielle Ireland-Piper (Ed), National Security Law in Australia (Federation Press, 2024).

Keilin Anderson and Adaena Sinclair-Blakemore, 'Ne Bis in idem, nulla poena sine lege and Domestic Prosecutions of International Crimes in the Aftermath of a Trial at the International Court of Justice' 21 (2021) International Criminal Law Review 1, 35.

Keilin Anderson, “Review of Federica Paddeu’s “Justification and Excuse in International Law”’ (2018) 24 Australian International Law Journal, 239