Dr Stefan Mandelbaum

Senior Lecturer in International Law

Faculty:Faculty of Business and Law

School:Economics, Finance and Law

Location: Cambridge

Areas of Expertise: Law

Research Supervision:Yes

Stefan is a dialectician who specialises in international and transnational legal thought. His research and publications explore legitimacy issues in the theory and practice of transnational commercial law, international commercial and investor-state arbitration, public international law, international environmental law as well as sports law.

Email: stefan.mandelbaum@aru.ac.uk


Stefan is a Senior Lecturer in International Law, a researcher and Consultant. Since 2018 he serves as ARU Senator and Senate Committee Member, and since 2019 is the Chair of the Research Ethics Panel for the Faculty of Business and Law. Educated in Germany and the UK, Stefan holds degrees in Philosophy, Law and Greek Philology from the Freidrich-Schiller University (Jena, Germany) and he has received a doctorate degree in International Investment Law from King's College London (KCL). Prior to joining ARU Law School, Stefan has spent three years as visiting scholar and research assistant at the University of Cambridge (UK), Yale University (USA) and the Max-Planck Institute for Comparative and Private International Law (Germany).

In his work, Stefan is particularly interested in critical and historical approaches to international legal thought. Combining reaching and research experience sin both its commercial and public manifestations, his academic work encompasses structural analyses of legitimacy concerns in international investment law, sports law, international criminal law and transnational commercial law. Stefan also has a strong background in the philosophy of German Idealism and explores the importance of critical theories and dialectical methods in the understanding of the epistemic conditions of law in general and legal conflicts in particular.

Spoken Languages



Research interests

  • International Investment Law and Arbitration
  • Transnational/International Commercial Law
  • Sports Law and Event Management
  • International Legal Theory
  • Legal and Political Philosophy/Critical Legal Theory
  • Classical German Philosophy

Areas of research supervision

  • International investment law
  • International dispute resolution
  • Transnational/International commercial law
  • Legal and political philosophy/Critical legal theory
  • International law theory
  • Classical German Philosophy


  • Transnational Commercial Law, LLM
  • International Commercial Arbitration, LLM
  • International Trade Law, LLM
  • Legal Research Methods, LLM
  • Contract Law, LLB
  • Company Law, LLB
  • Legal Research: Theory and Practice, LLB
  • Agency and the Sale of Goods, LLB


  • PhD in International Investment Law (King's College London)
  • Magister Artium (distinction): Philosophy, Law and Greek Philology (Friedrich-Schiller University, Jena)
  • Law Teaching Ccertificate (Yale University, School of Law)
  • Political Philosophy Teaching Certificate (Yale University, Philosophy Department)
  • Postgraduate Teaching Certificate (ARU)

Memberships, editorial boards

  • Fellow of the Higher Education Authority
  • Member, Society of Legal Scholars

Research grants, consultancy, knowledge exchange

  • GWF Hegel and the Logic of International Law (Research Grant 2019-20, ARU)
  • Consultant, Hospitality & Tourism Management, Meikai University, Tokyo, Japan
  • Consultant, Toulouse Business School, France

Selected recent publications


Mandelbaum, S., 2021. Introduction to International Law, London: Transnational Press (forthcoming)

Peer Reviewed Articles:

Mandelbaum, S., 2020. The Legitimacy of Arbitral Reasoning: On Authority and Authorisation in International Investment Dispute Settlement, Czech and Central European Yearbook of Arbitration, 10. p.113

Mandelbaum, S., 2020. The Measure of Finality: A Structural Analysis of Legitimacy Concerns in International Investment Arbitration, Journal of Law and Jurisprudence. 9 (2). P.1

Mandelbaum, S., 2013. On Making Sense of Contradictions: A Dialectical Critique of Methods and the Status of Customs in International Investment Law, David A. Frenkel (ed.). Economy and Commercial Law. Athens. 123-34.

Book Review:

Mandelbaum, S., 2014. 'Dalhuisen on Transnational Comparative Commercial, Financial and Trade Law'. King’s Law Journal. 25(II). 318-23.

Media experience

Contributor to KSLR’s Legal Theory Blog