Mary Guest


Mary is an Associate Editor of EJIL:Talk! She qualified and practised as a senior associate in telecoms, media and technology at Clifford Chance LLP, following which she was Head of Legal – Commercial at The Football Association in England. After a spell at Linklaters LLP, she moved into an in-house General Counsel role within FMCG. She has completed an LLM at the University of Cambridge, for which she was awarded the Clive Parry Prize for International Law. Mary can be contacted at

Recently Published

Announcements: NUS Centre for International Law Position; No More Blackface Lecture; The Psychology of International Law Discussion; CfP Richard Baxter Military Prize

1. NUS Centre for International Law Postdoctoral Fellow Position: Postdoctoral Fellow (International Economic Law Focus) The Centre for International Law (CIL) at the National University of Singapore invites applications for a 2-Year Post-Doctoral Fellowship position with a focus on international economic law, commencing in February/March 2022. They seek applications from those with expertise in international investment…

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New Issue of EJIL (Vol. 32 (2021) No. 3) – Now Published

The latest issue of the European Journal of International Law  (Vol. 32 (2021) No. 3) is now out. EJIL subscribers have full access to the latest issue of the journal at EJIL’s Oxford University Press site. Readers can access those articles that are freely available without subscription at EJIL’s own website. The free…

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Announcements: Customary International Law Conference; CfA AI in the Public Sector; Justice for Atrocities Conference; Climate Change Webinar; Women, Peace and (Maritime) Security Lecture; Geneva Vacancy; Catharine Titi Symposium; CfP Law, Environmental and Development Journal; CfP European Yearbook on Human Rights; Inter-American Human Rights Moot Competition

1. Conference: Interpretation of Customary International Law - Methods, Interpretative Choices & The Role of Coherence. TRICI-law, together with PluriCourts and Prof. Pauline Westerman and Dr. Konstiantyn Gorobets from the University of Groningen, is organizing a one and a half day conference in the Hague. The conference has three main themes: i) methods of interpretation of…

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