Justus is an external PhD candidate at the Institute of Criminal Law and Criminology.

Dinesh Changoer is an external PhD candidate at the Institute of Criminal Law and Criminology.

Since May 2021 Marianne Lochs is working as an assistant professor of criminal law and criminal procedure at the Institute of Criminal Law and Criminology.

Jan Crijns (1978) is Professor of Criminal Law and Criminal Procedure at the Institute of Criminal Law and Criminology of Leiden University. From 15 February 2024, he holds the position of Vice Dean of Leiden Law School.

Jannemieke Ouwerkerk is Professor of European Criminal Law at Leiden Law School's Institute of Criminal Law and Criminology.

Nieke Verschaeren is an external PhD candidate at the Institute of Criminal Law and Criminology.

Elise Filius is a PhD Candidate at the Institute of Criminal Law and Criminology. More information about her you can find on the Dutch website.

Hanne Klapwijk is working as a PhD candidate at the Institute of Criminal Law & Criminology at Leiden University.

Michiel van der Wolf is Professor of Forensic Psychiatry at the Institute of Criminal Law and Criminology.

Arjan Blokland is appointed as professor of Criminology & Criminal justice at the Institute of Criminal Law and Criminology.

Paul Nieuwbeerta is full Professor of Criminology at the Institute of Criminal Law and Criminology of Leiden University since 2009.

Sjoerd Lopik is a research fellow at the Institute for Criminal Law & Criminology. He has been affiliated with Leiden University since 2020, where he obtained his PhD in 2025 with a dissertation on the role of criminal law within the legal response to climate change. His research primarily focuses on…

From February 2021 until August 2025, Lisa Ansems was a postdoctoral researcher and assistant professor at the Institute for Criminal Law and Criminology. She is currently affiliated with the institute as a guest researcher.

Rosa Koenraadt is assistant professor of criminology at the Institute of Criminal Law and Criminology.

Marloes van Noorloos is a Professor of Criminal Law and Criminal Procedure at the Institute of Criminal Law and Criminology.

Hilde Wermink is Associate Professor of Criminology at the Institute of Criminal Law and Criminology at Leiden University. She is also the PhD dean of Leiden Law School.

Mojan Samadi is an Assistant Professor at the Institute of Criminal Law and Criminology.

Tom Buitelaar is an Assistant Professor in the War, Peace & Justice program of the Institute of Security and Global Affairs at Leiden University.

Cecily Rose is an associate professor of public international law in the Grotius Centre for International Legal Studies. She joined the faculty as an assistant professor in September 2013.

Since 1 November 2023, André van der Laan has been appointed professor by special appointment of Juvenile and Adolescent Crime at the Child and Health Law department of Leiden Law School. The chair was established on behalf of the Leiden University Fund and is funded by the Research and Data Centre…

Eva Schmidt is PhD researcher at the Department of Child Law, Institute for Private Law since the 1st of September 2018.

Patrick van der Meij (1978) is professor by special appointment of Criminal Law Practice and a partner and criminal defence lawyer at law firm Cleerdin & Hamer Advocaten in Amsterdam. He studied Dutch law from 1996 to 2001 at Leiden University specialising in criminal and criminal procedural law.

Joni Van Laeken started as a Meijers PhD Candidate at the Grotius Centre for International Legal Studies in September 2023. Her PhD research is titled 'Transformative Reparations for International Crimes: An Actor-focused Analysis Across International, Hybrid and National Criminal Justice Mechanisms…

Marc van der Ham (1984) is an external PhD candidate at eLaw – Center for Law and Digital Technologies at Leiden University.

Title of research: An Ounce of Prevention: How to Prevent International Crimes. Jennifer Schense is a PhD candidate at the Grotius Centre for International Legal Studies at Leiden University. She is researching the international obligation to prevent crimes and how that obligation may be fulfilled,…

Prof. Dr. William Schabas has been a Professor of Human Rights Law and International Criminal Law at Leiden Law school since March 2012.

John Dugard has been a staff member of the Grotius Centre since 1998.

Letizia Lo Giacco is an Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies of Leiden University. Her research explores structural questions of international law, with a focus on courts and judicial practices in global governance, as well as questions…

Giulia Pinzauti has broad experience in public international law, international criminal law and the law and practice of international courts and tribunals. Prior to joining the Grotius Centre, she served as an associate legal officer at the International Court of Justice (2015-2016) and in the Office…

Andrei Poama’s interdisciplinary research covers ethics in public policy, democratic theory, criminal justice, AI technologies in governance, and experimental legal philosophy, focusing on public value, punishment, and electoral ethics.

Dr Gavin Robinson PhD LLM is Assistant Professor in Criminal Law and Digital Technologies at eLaw - Center for Law and Digital Technologies at Leiden University.