Chris Armstrong is professor of political theory at the University of Southampton. His interests include global justice, climate justice, territory, natural resources, and the environment. His most recent book is A Blue New Deal: Why We Need a New Politics for the Ocean (2022). He is currently working on a book on global justice and the biodiversity crisis. C.Armstrong@soton.ac.uk

Christian Nikolaus Braun is a Radboud Excellence Initiative Fellow at Radboud University in the Netherlands. Previously, he was a senior lecturer in the Defence and International Affairs Department at the Royal Military Academy Sandhurst. Christian's primary area of research is the ethics of war and peace. His research has been published in numerous peer-reviewed journals, including Global Studies Quarterly, International Relations, International Theory, and the Journal of Military Ethics. His first research monograph, titled Limited Force and the Fight for the Just War Tradition, is forthcoming with Georgetown University Press. christian.braun@ru.nl

Rosalind Dixon is a professor of law and director of the Gilbert+Tobin Centre of Public Law at the University of New South Wales in Sydney. She is a graduate of UNSW and Harvard Law, and has served as an assistant professor at the University of Chicago Law School, and a visiting professor at the University of Chicago, Columbia Law School, Harvard Law School, and the National University of Singapore. She was recently copresident of the International Society of Public Law, a fellow at both the Australian Academy of Law and the Australian Academy of Social Sciences, and Australian Research Council future fellow working on constitutions and democratic resilience. Her work has also been cited by the supreme courts of Israel and Kenya, and she has published op-eds in a range of outlets including the New York Times. rosalind.dixon@unsw.edu.au

Tom Ginsburg is the Leo Spitz Distinguished Service Professor of International Law at the University of Chicago, where he also holds an appointment in the Political Science Department. He is also a research professor at the American Bar Foundation. His latest book is Democracies and International Law (2021). He is also the co-author, with Aziz Huq, of How to Save a Constitutional Democracy (2018) and co-editor, with Aziz Huq, of Assessing Constitutional Performance (2016) and From Parchment to Practice: Implementing New Constitutions (2020). tginsburg@uchicago.edu

Ran Hirschl is a professor of government and Earl E. Sheffield Regents Chair in the School of Law at the University of Texas at Austin, and a fellow of the Royal Society of Canada. His award-winning books include City, State: Constitutionalism and the Megacity (2020)—recipient of the 2021 Stein Rokkan Prize for Comparative Social Science Research; Comparative Matters: The Renaissance of Comparative Constitutional Law (2014)—winner of the 2015 American Political Science Association's C. Herman Pritchett Award for the best book on law and courts; Constitutional Theocracy (2010)—winner of the 2011 Dennis Leslie Mahoney Prize in Legal Theory; and Towards Juristocracy: The Origins and Consequences of the New Constitutionalism (2004)—winner of the 2021 Lasting Contribution Award from the American Political Science Association's Law & Courts Section. His work on comparative constitutional law has been translated into various languages, cited by jurists and in high court decisions, and addressed in leading media venues worldwide. Ran.hirschl@austin.utexas.edu

Aziz Z. Huq is Frank and Bernice J. Greenberg Professor of Law at the University of Chicago. His most recent book is The Collapse of Constitutional Remedies (2021). He is co-author, with Tom Ginsburg, of the book How to Save a Constitutional Democracy (2018) and several other articles on democracy and constitutional law. huq@uchicago.edu

David E. Landau is Mason Ladd Professor and associate dean for international programs at Florida State University College of Law. His scholarship focuses on constitutional design, constitutional theory, and comparative constitutional law. His work has been cited by the high courts of several countries, including the Supreme Court of Israel, the Supreme Court of Canada, the Constitutional Court of Colombia, the Constitutional Court of Chile, the Supreme Federal Court of Brazil, and the Supreme Court of Kenya. Professor Landau received a Fulbright specialist grant in Chile in 2022, during that country's ongoing constitution-making process. In 2011, he served as a consultant on constitutional issues for the Truth and Reconciliation Commission of Honduras. Since 2012, he has been a founding editor of IˑCONnect, the blog of the International Journal of Constitutional Law, and serves on the scientific advisory board of the same journal. He has published op-eds in the New York Times and the Los Angeles Times, and he holds a JD and PhD in political science from Harvard. dlandau@law.fsu.edu

Duncan McLaren is a transdisciplinary scholar of climate politics who has worked at Lancaster and Linköping universities since obtaining his doctorate in 2017. His research explores the justice and political implications of novel technologies, including climate engineering, circular economy, and “smart” cities. Previously he worked for many years in environmental advocacy and consultancy. He is due to commence a research fellowship in climate geoengineering governance at UCLA in November 2022. d.mclaren@lancaster.ac.uk

David Ragazzoni is a lecturer in political science at Columbia University, where he teaches and researches in political theory and the history of political and legal ideas. His work has recently been published in Journal of Political Ideologies, Constellations: An International Journal of Critical and Democratic Theory, Political Theory, and Journal of Modern Italian Studies. He is the co-author and co-editor of Hans Kelsen on Constitutional Democracy: Genesis, Theory, Legacies (forthcoming 2023). david.ragazzoni@columbia.edu

Ayelet Shachar (FRSC) is Professor of Law, Political Science and Global affairs, and the holder of the R.F. Harney Chair in Ethnic, Immigration and Pluralism Studies at the University of Toronto. She is also the Director of the Transformations of Citizenship Research Group at Goethe University Frankfurt. Shachar has published extensively on the topics of citizenship theory, immigration law, cultural diversity and women's rights, new border regimes, highly skilled migration and global inequality, and the marketization of citizenship. She is the recipient of numerous research excellence awards, including the Gottfried Wilhelm Leibniz Prize. ayelet.shachar@utoronto.ca

Rogers M. Smith is the Christopher H. Browne Distinguished Emeritus Professor of Political Science at the University of Pennsylvania, where he taught from 2001 to 2022. From 1980 to 2001, he taught at Yale University, ultimately as the Alfred Cowles Professor of Government. He is the author or coauthor of many articles and eight books, including That Is Not Who We Are! (2020), Political Peoplehood (2015), and Civic Ideals (1997), the latter a finalist for the 1998 Pulitzer Prize in history. He served as president of the American Political Science Association from 2018 to 2019. rogerss@sas.upenn.edu