Geoffrey Sigalet is a post-doctoral fellow in the Faculty of Law at Queen's University and a non-resident fellow at Stanford Law School's Constitutional Law Center. He completed his PhD in political theory and public law at Princeton University, where his dissertation developed a neo-republican political theory of 'dialogical' judicial review and constitutional interpretation. Grégoire Webber holds the Canada Research Chair in Public Law and Philosophy of Law at Queen's University 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 University Press 2012), joint editor of Proportionality and the Rule of Law: Rights, Justification, Reasoning (Cambridge University Press 2016), and joint author of Legislated Rights: Securing Human Rights through Legislation (Cambridge University Press 2018). Rosalind Dixon is a Professor of Law, at UNSW Sydney, and Co-President of the International Society of Public Law. Her work has been published in leading journals in the US, Canada, the UK, and Australia. She was previously an assistant professor at the University of Chicago Law School, and has been a visiting professor at the University of Chicago, Columbia Law School, Harvard Law School, and the National University of Singapore.