Over 98% of participants from the January 2024 cohort rate their course good or excellent

Professor Marie-Claire Cordonier Segger

PhD (Cantab), DPhil (Oxon), MEM (Yale), BCL & LLB (McGill), BA Hons (Carl/UVic) FRSC FRSA WIJA

Visiting Chair in Sustainable Development Law and Policy; Law Fellow; LLM/MCL Director of Studies, Lucy Cavendish College; Fellow of Lauterpacht Centre for International Law, C-EENRG, Bennett Institute for Public Policy

About me

Professor Marie-Claire Cordonier Segger is a world-leading scholar and jurist in sustainable development law and governance. She is Visiting Chair in Sustainable Development Law and Policy - University of Cambridge; Professor of Law – University of Victoria; Senior Director of the Centre for International Sustainable Development Law; Executive Secretary of the Climate Law and Governance Initiative for the UN Framework Convention on Climate Change; and Chair of the UN Convention on Biological Diversity Law and Governance Initiative.

She leads global collaborations for climate law and governance, biodiversity and natural resources stewardship, human rights, Indigenous peoples' rights and future generations, trade and investment law and other international law contributing to the global SDGs. With over 20 years of experience in international treaty negotiations, she works as senior advisor to UN treaty negotiations, international organisations and countries implementing the SDGs.



Fellow of the Royal Society of Canada

Fellow of the Royal Society of Arts

HE Judge CG Weeramantry International Justice Award

Justitia Fundamentum Regnorum



  • Cordonier Segger, M.C. (2024). Sustainable Development Law: Principles, Practices and Prospects, 2nd edn, Oxford: Oxford University Press.

  • Cordonier Segger, M.C., I. Espa & N. Schrijver, eds. (2025). Sustainable Development in International Law on Natural Resources, Alphen aan den Rijn: Wolters Kluwer.

  • Cordonier Segger, M.C., A Harrington & C. Voigt, eds. (2023). The Routledge Handbook of Climate Law and Governance: Courage, Contributions & Compliance, Abingdon-on-Thames: Routledge.

  • Cordonier Segger, M.C. & S. Stephenson, eds. (2023). Research Handbook on Investment Law and Sustainable Development, Camberley: Edward Elgar.

  • Cordonier Segger, M.C. & D.A. Wardell, eds. (2023). Implementing CITES for Sustainable Development, Cambridge: Cambridge University Press.


Selected Journal Articles