Edited by Michael Tonry, Professor of Law and public policy, University of Minnesota Law School, Senior Fellow, Netherlands Institute for the Study of Crime and Law Enforcement, Free University Amsterdam

Michael Tonry is Professor of Law and Public Policy, University of Minnesota Law School, and Senior Fellow at the Netherlands Institute for the Study of Crime and Law Enforcement, Free University Amsterdam.

R. A. Duff is professor of law at the University of Minnesota and professor emeritus in the department of philosophy, University of Stirling.
Richard S. Frase is Benjamin N. Berger Professor of Criminal Law at the University of Minnesota.
Douglas Husak is professor of philosophy at Rutgers University.
Jan de Keijser is associate professor of criminology at the University of Leiden, Institute of Criminal Law and Criminology.
John Kleinig, director of the Institute for Criminal Justice Ethics, is professor of philosophy in the department of law and police science at John Jay College of Criminal Justice and in the PhD programs in philosophy and criminal justice, City University of New York.
Matt Matravers, professor, is director of the School of Politics, Economics, and Philosophy at York University.
Michael M. O'Hear, is associate dean for research and professor, Marquette University Law School.
Peter Ramsay is lecturer in law in the London School of Economics, department of law.
Alice Ristroph is professor of law at Seton Hall University.
Julian V. Roberts is professor of criminology at Oxford University.
Jesper Ryberg is professor of ethics and philosophy of law in the department of philosophy and science studies at Roskilde University, Copenhagen.
Michael Tonry is professor of law and public policy, University of Minnesota, and senior fellow, Netherlands Institute for the Study of Crime and Law Enforcement, Amsterdam.
Andreas von Hirsch is honorary professor, law faculty, University of Frankfurt; emeritus honorary professor of penal theory and penal law, University of Cambridge; and honorary fellow, Wolfson College, Cambridge.