Grégoire Webber holds the Canada Research Chair in Public Law and Philosophy of Law at Queen's University, Ontario and is a Visiting Senior Fellow at the London School of Economics and Political Science. He is the author of The Negotiable Constitution: On the Limitation of Rights (Cambridge, 2009), joint editor of Proportionality and the Rule of Law: Rights, Justification, Reasoning (Cambridge, 2014), and joint author of Legislated Rights: Securing Human Rights through Legislation (Cambridge, 2018).