The 3rd International Workshop on Klinefelter Syndrome, Trisomy X, and XYY will be held at The Academy Building, Rapenburg 73, Leiden. It is situated in the city center, close to hotels, restaurants and attractions.

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching.

PhD defence

LIACS organizes different lectures and seminars like the LCN2 Seminars and SAILS Lunch Time-seminars.

PhD defence

PhD defence

PhD defence

PhD defence

PhD defence

This publication by Cornelis van Tilburg, will be published at Sidestone Press on September 28, 2022. It discusses various aspects of city gates in the Western Roman Empire: Italy, Spain, Gaul, Germany and Britain.

On 26 juni 2018, Claire Achmad defended her doctoral thesis 'Children’s Rights in International Commercial Surrogacy: Exploring the Challenges from a Child Rights, Public International Law Perspective'. The doctoral research was supervised by Prof. Dr. Mariëlle Bruning.

On 10 June 2021, Merinda Stewart defended her thesis 'Freedom of Overflight: A Study of Coastal State Jurisdiction in International Airspace'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon en Prof. J.J. Rijpma.

On 25 January 2018 Yannick van den Brink defended his doctoral thesis titled ‘Voorlopige hechtenis in het Nederlands jeugdstrafrecht’ (‘Pre-trial detention in the Dutch juvenile justice system’). The doctoral research is supervised by Professor Ton Liefaard and Professor Mariëlle Bruning.

Leiden University’s Annual Report covers education, research, innovation, knowledge valorisation, infrastructure, staff and finances.

On 18 september 2018, Claudia Bouteligier defended her doctoral thesis 'Dialoog in recht en literatuur. The doctoral research was supervised by Prof. mr. dr. A. Ellian.

In this policy paper, Joachim Koops and Christian Patz are discussing Germany’s comprehensive assessment of Protection of Civilians readiness at the national level.

On Tuesday 26th September Jessica Hill defended her thesis ‘On the road to adulthood. Delinquency and desistance in Dutch emerging adults’. The supervisor is Professor Arjan Blokland.

Both Europe and Latin America face challenges globally and at home. Conflicts over land and resources have been resurgent in recent years.

On 31 January 2018 Vestert Borger defended his dissertation entitled ‘The Transformation of the Euro: Law, Contract, Solidarity’. The dissertation has been written under the supervision of Professor Stefaan Van den Bogaert (supervisor) and Dr Jorrit Rijpma (co-supervisor).

You have been admitted to a PhD track at Leiden University. What do you need to know when you start conducting your PhD research?

The Leiden University Institute for Area Studies (LIAS) is devoted to the study of places in the human world from antiquity to the present time in a comparative and interdisciplinary perspective.

Leiden Institute of Advanced Computer Science (LIACS)

On 13 December 2018, Stijn Voskamp defended her thesis 'Onderwijsovereenkomst'. The doctoral research was supervised by Prof. mr. A.G. Castermans.

The Van Vollenhoven Institute for Law, Governance and Society (VVI) is part of the Leiden Law School.

On 9 May 2018, Roy van Keulen defended his doctoral thesis 'Digital Force: Life, Liberty & Livelihood in the Information Age'. The doctoral research was supervised by Prof. dr. A. Ellian.

The research of the Applied Mathematics cluster is concerned with such diverse topics as dynamical systems, representation theory, differential equations and pattern recognition.

How can party bans be justified? Which parties were banned in post-war Europe – and why? Do militant democracy instruments work? Is an international militant democracy concept in the making?

The Intelligence and Security Studies Group offers specialised teaching and research on contemporary intelligence and security challenges. We support both academic and professional development, with a focus on governance, ethical norms, and international cooperation.

On 17 December 2018, Dejian Kong defended his thesis 'Civil Liability for Damage caused by Global Navigation Satellite System'. The doctoral research was supervised by Prof. dr. P.M.J. Mendes de Leon.

On 29 November 2018, Roberto van den Heuvel zijn defended his thesis 'Duidelijkheid van fiscale wetgeving'. The doctoral research was supervised by prof. dr. A.O. Lubbers en prof. dr. H. Vording.

PhD Candidates are encouraged to start thinking about job prospects well before the defence of their thesis. This page contains information about how to prepare yourself.

Knowledge that helps protect the Netherlands and Europe from military and cyber threats.

On 9 April 2019, Yudan Tan defended her thesis 'The Rome Statute as Evidence of Customary International Law'. The doctoral research was supervised by Prof. dr. W.A. Schabas.

On 19 February 2019, Mirjam Sombroek-van Doorm defended her thesis 'Medisch beroepsgeheim en de zorgplicht van de arts bij kindermishandeling in de rechtsverhouding tussen arts, kind en ouders'. The doctoral research was supervised by Prof. dr. A.G. Castermans en Prof. mr. C.J.J.M. Stolker.

On February 20th, Gulnaz Sibgatullina succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Gulnaz on this great result.

On 7 March 2019, Maria de Jong-de Kruijf defended her thesis 'Legitimiteit en rechtswaarborgen bij gesloten plaatsing van kinderen'. The doctoral research was supervised by Prof. mr. M.R. Bruning en Prof. mr. T. Liefaard.

The historical archaeology of the Port of Sandy Point and its anchorage, St. Kitts, West Indies

On 1 February 2018 Nathalie-Sharon Koster defended her doctoral thesis ‘Crime victims and the police’. The doctoral research was supervised by Professor J.P. van der Leun and M.J.J. Kunst.

On 1 February 2018 Charlotte Vrendenbarg defended her PhD dissertation

Where does the urge to collect come from? What are the explicit or underlying reasons for gathering large amount of objects?

On 21 February 2019, Ruben Zandvliet defended his thesis 'Trade, Investment and Labour: Interactions in International Law'. The doctoral research was supervised by Prof. dr. N.J. Schrijver.

The Institute of Public Law comprises all areas of public law, with the exception of criminal law, and including labour law.

Promotor: Prof.dr. H.P. Spaink, Co-promotor: Prof.dr. A.H. Meijer

On 7 November 2018, Catherine Harwood defended her thesis 'Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International Legal Order'. The doctoral research was supervised by Prof. dr. L.J. Van den Herik and Prof.…

On 25 November 2020, Sara Arendse defended her thesis 'De uiterlijke verschijningsvorm in het strafrecht'. The doctoral research was supervised by prof. C.P.M. Cleiren and prof. J.M. ten Voorde.

You should think about job perspectives well before the defence of your thesis.

Are you eager to bring your own questions and curiosity into scientific research? Do you question intelligence and technology in a fundamental, creative, and playful way? Could you be a researcher who challenges scientific practice and pushes its boundaries?