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If you have lost something in or around the University, look on iLost to see if it’s been found. You can collect your lost property from a reception.

Bachelor, Master

Every faculty has its own procedures with respect to registering for courses and examinations, BSA, handing in grades, publishing timetables, etc. For more information, see your Faculty’s tab.

When the PhD research has been completed and the dissertation is (nearly) finished, there are several more steps to take before you can defend it. For example, you must submit your manuscript and make preparations for the PhD defence ceremony.

This page provides more information about the mentor-tutor system at Leiden University. What is it? What are its objectives? Where can mentors, tutors, and coordinators find more information and teaching materials?

Vidatum supports the project management of externally funded research projects.

In case of short-term or long-term illness, we will together do our best to ensure you can return to work shortly. You will be guided through this process by your immediate supervisor, the P&O department and the occupational health physician. In some cases, however, reintegration in your own or another…

Facility

Michiel Hogerheijde has been appointed Vice-Dean of the Faculty of Science as of 1 January 2027. He succeeds Bart de Smit, who has held the position since 2019. Hogerheijde is looking forward to working together with students and staff. ‘Good education is something you create together.’

As you are a new Leiden University staff member, a number of things must happen before we can draw up your contract and activate your ULCN account. This is also the case if you are affiliated with the university as external staff, for example if you were hired as a freelancer.

During a reorganisation, the University does its utmost to avoid redundancies, regardless of whether these relate to the University as a whole, to an institute or to a department of a faculty or service.

We can help you to bring the results of your research to the attention of the media. Ideally, you should do this before your article or book is actually published.

De Universiteit Leiden zet in op de versterking van de ondersteuning voor onderzoekers en onderzoeksgroepen bij extern gefinancierde onderzoeksprojecten.

How can you ensure that your research hits the headlines? How can you bring your research output, such as PhD research or a publication, to the attention of the public?

See your Faculty’s tab for more information on what we expect of you as a lecturer, before, during and after tests and examinations, and when supervising students in writing their thesis.

If you work at home on a structural basis – at least one day a week – and you have an employment contract for 19 hours or more, you can request facilities for working from home

If you are no longer able to do your current job, we investigate whether we can redeploy you. This involves examining within a reasonable term whether there is another suitable job for you within the organisation.

Images are an increasingly important part of communication, but how do you choose suitable ones for the website and where can you find them? This page offers tips on finding the right image and what to watch out for.

Did you forget your password? Want to change your password, or your password has expired? In most cases you can reset your password yourself via the Account Services. If you are not able to access Account Services, please contact an ISSC helpdesk.

In the seventeenth century, stereotypes about Africa and its inhabitants became deeply ingrained in European culture. PhD candidate Matthias Lukkes is going to investigate the role played by Dutch culture in this process.

The Pieter de la Court Building has now a new library, on the ground floor, in wing B. The building project was scheduled from December 2018 to December 2019. Now that the library has been completed, new teaching rooms will be built to replace those on the 5th floor.

How can you encourage students to actively participate in your course?

The Leiden University Fund (LUF) has been active since 1890 as an independent support foundation for Leiden University. It supports education and research through grants, endowed chairs, scholarships, and awards. In addition, LUF organises alumni events to strengthen the connection with former stude…

Leiden University uses TimeEdit Curriculum (TEC) for curriculum development and management.

Are you a teacher? And do you want to check whether papers, essays or theses have been plagiarised from others? If so, you can use Turnitin. Turnitin compares the content of papers and theses with texts submitted previously and with public Internet sources.

The JUL board 2025/2026 consists of five colleagues:

As an internship lecturer, you help a student to apply their knowledge and skills in a professional context and to gain work experience. On this page you will find the most important information to fulfil this role properly and according to the Faculty’s agreements.

The Thesistool replaces the thesis assessment forms for the Security Studies and Public Administration programmes. The assessment process using the tool consists of two phases: the individual thesis assessment by the supervisor and the second reader, followed by the joint thesis assessment.

When the PhD research has been completed and the dissertation is (nearly) finished, there are several more steps to take before you can defend it. For example, you must submit your manuscript and make preparations for the PhD defence ceremony.

Since May 2026, Roy de Ruiter has been strengthening the Institute of Political Science as professor of Maritime Strategy by special appointment. This chair is a collaboration between the Dutch Royal Association of Naval Officers (KVMO) and Leiden University. A conversation about change versus continuity…

How can you ensure that your research hits the headlines? How can you bring your research output, such as PhD research or a publication, to the attention of the public?

Starting a partnership and signing an exchange agreement is just the first step in facilitating student and staff mobility. Staff and student exchange at Leiden University is administered by international coordinators at faculty and central level.

The layout of a dissertation must meet certain requirements. Special rules also apply if the dissertation was written with others or if a commercial edition will be published.

Have you been ill for a long time? The procedure for illness and reintegration describes what to expect in case of long-term illness and work disability. The procedure also lists potential financial consequences.