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: CfP Use of Human Rights Language; Supply Chain Accountability for Arms Exports Conference; CfP Law and Disinformation Workshop

1. Call for Papers: The Use of Human Rights Language in International and EU Law. The Faculty of Law of the University of Trento is soliciting abstracts to participate in the XXI Conference of Young Scholars of International Legal Studies. This year’s Conference will be co-funded by the Horizon Europe’s project HRJust. The deadline for…

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New Issue of EJIL (Vol. 35 (2024) No. 1) – Out Next Week

The latest issue of the European Journal of International Law will be published next week.  Over the coming days, we will publish a number of posts outlining the contents of this issue.  Here is the Table of Contents for this new issue, as well as the Abstracts:…

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Announcements: Exiting the Energy Charter Treaty Event; CfP German Yearbook of International Law; GROMADA Summer School and Moot Court; Global Health Law Interest Group Student Writing Competition

1. Exiting the Energy Charter Treaty under the Law of Treaties. In the latest in the series Bocconi Conversations in International Law, Lorand Bartels (University of Cambridge) and Tibisay Morgandi (Queen Mary University of London), in conversation with Roger O'Keefe (Bocconi University), will discuss whether there is a way under the law of treaties for states parties withdrawing…

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