Marie-Claire Cordonier Segger

Visiting Professor of Law

(spring term)


Marie-Claire Cordonier Segger is a Visiting Professor of Law at Yale Law School, Leverhulme Trust Visiting Professor at the University of Cambridge, and Full Professor of Law in Canada. She is known for her pioneering research and teaching on international law and public policy on sustainable development, including climate change, sustainable resources management, intergenerational justice, green trade, investment and financial law.

FULL BIOGRAPHY
Marie-Claire Cordonier Segger

Contact Information



Faculty Assistant


Ashley Polverari

Education & Curriculum Vitae


D.Phil., University of Oxford, 2013
M.E.M., Yale University, 2003
B.C.L., McGill University, 2002
LL.B., McGill University, 2002
B.A., Carelton University/ University of Victoria, 1998

Courses Taught


  • Sustainable Development Law and Governance

Marie-Claire Cordonier Segger is a Visiting Professor of Law at Yale Law School, Leverhulme Trust Visiting Professor at the University of Cambridge, and Full Professor of Law in Canada. She is known for her pioneering research and teaching on international law and public policy on sustainable development, including climate change, sustainable resources management, intergenerational justice, green trade, investment and financial law. Cordonier Segger currently serves as Senior Director of the Centre for International Sustainable Development Law (CISDL); Executive Secretary of the Climate Law and Governance Initiative (CLGI) with the UN Framework Convention on Climate Change (UNFCCC); Vice-President of the International Law Association; Chair of the Biodiversity Law and Governance Initiative with the UN Convention on Biological Diversity (CBD); Arbitrator for several trade and sustainable development accords; Chair of the Ethics & Sustainability Board for bit.bio; and Councillor of the World Future Council. She has authored/edited more than 25 books and 120 papers; serves on the Editorial Boards of the Cambridge International Law Journal and the McGill Journal of Sustainable Development Law, among others; edits the Cambridge University Press Series on Implementing Treaties for Sustainable Development and has served as senior legal advisor to several UN treaty bodies and international organizations, including the UNFCCC Presidency, the Ramsar Convention on Wetlands and the International Development Law Organization. Cordonier Segger is also a Full Professor of International Law in Canada; a senior Law Fellow and Director of Studies for Graduates at Cambridge’s Lucy Cavendish College; active in the IUCN World Commission on Environmental Law, and in the Centre for Energy, Environment and Natural Resources Governance (CEENRG) and the Lauterpacht Centre for International Law (LCIL) at the University of Cambridge; a Fellow of the Royal Society of Canada and the Royal Society of the Arts in the U.K.; and laureate of the Justitia Regnorum Fundamentum Medal and the Weeramantry International Justice Award, among other honours.