Mario is Senior Lecturer and Programme Director of the LLM in International Law at the Keele Law School. He obtained his first degree and LLM from the Sorbonne Law School (Université Paris 1), and his PhD from McGill University, where he was a Liberatore Major Fellow. His PhD dissertation on the fragmentation of international law was awarded the Association of Quebec Law Professors annual prize for best doctoral thesis (2009). 

Mario is a former Board member of the European Society of International Law, and a founding member of its interest group on international environmental law.

Research and scholarship

As well as his ongoing work on various aspects of international legal theory, Mario's current research focuses on the colonial history of (international) environmental law and critical approaches to transnational arbitration (with special emphasis on investor-state arbitration).



Introduction to public international law
European Union law


Foundations of international law
Advanced international law
Iinternational environmental law
Iinternational economic law

Further information

Supervisor to Research Students:

  • Emma Allen, Climate Change and Disappearing Island States - Deterritorialisation, Sovereignty, and Statehood in International Law
  • Ashley Murphy, Progressing and Strengthening International Environmental Law Through the UN Security Council
  • Yaar Dagan, Technology, Dehumanisation and Settler Colonialism in Asymmetric Armed Conflicts: The Case of Lethal Drones in Israel/Palestine
  • Marieanne Oludhe, Development, Safeguards and the Nairobi Package


School of Law
Keele University
Tel: +44 (0) 1782 733218
Fax: +44 (0)1782 733228
Email: School of Law Office

Admissions enquiries:
Tel: +44(0)1782 733218

Postgraduate enquiries:
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