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Research By-Fellow (Hughes Hall)


Dr Samuel Ruiz-Tagle works in the area of Public Law, with a focus on Administrative Law, Planning Law and Urban Governance. He also teaches Administrative Law at Cambridge, having previously taught the same subject at Oxford.

Research centres and interest groups

CV / Biography

Samuel Ruiz-Tagle is a Research By-Fellow at Hughes Hall, and Senior Researcher in Law at the Centre for Climate Engagement, University of Cambridge. Previously, Dr Ruiz-Tagle was a Postdoctoral Research Associate in Administrative Law and Governance also at Hughes Hall. Dr Ruiz-Tagle's work concentrates on planning law and administrative law, including their overlap with other fields such as local government and climate change law. His most recent projects explore the legal role of local authorities in climate change governance, the nature of planning law doctrines, and the use of automated decision-making in public administration.

Before entering academia in 2017, Samuel worked for nearly a decade in Chile. He advised domestic and international companies in the development of nationally significant infrastructure projects, and regularly appeared before administrative bodies, courts, and tribunals. In addition, he served as a legal advisor to the Ministry General Secretariat of the Presidency and acted as a consultant to government bodies in the drafting of planning laws and regulations.

Samuel completed a Doctorate in planning and administrative law at the Faculty of Law of the University of Oxford. He also has a Master of Laws from Stanford University, a Graduate Diploma in Urban Planning from the Institute of Urban Studies UC, and a Bachelor of Laws with Social Sciences from the University of Chile. 




"Samuel Smith and Judicial Review of Policy Interpretation: A Middle Way in the Law and Policy Divide" Journal of Environmental Law, Volume 32, Issue 3, November 2020, Pages 577–587

Journal of Environmental Law, Volume 32, Issue 3, November 2020, Pages 577–587
Published: Oct 2020

Blog Posts


Planning Law, Levelling-up, and Net Zero: Empowering Planning Authorities to Combat Climate Change, August 2023

Body / Institution:
Centre for Climate Engagement, Hughes Hall, University of Cambridge
Published: Aug 2023

Written Evidence to the House of Lords Built Environment Committee - Inquiry Into the Effect of Environmental Regulations on Development, June 2023

Body / Institution:
House of Lords - UK Parliament
Published: Jun 2023

Written Evidence to the House of Commons Public Bill Committee on the Levelling-up and Regeneration Bill, Sept 2022

Body / Institution:
House of Commons - UK Parliament
Published: Sep 2022