The United Nations has declared May 22 the International Day for Biological Diversity. A moment of global reflection on everything on Earth and its indispensability. Anthropologist Marja Spierenburg stresses the importance of the interaction between natural and social sciences in addressing sustainability…

One of the aims in the development of the university’s new strategic plan is to foster a dialogue between as many students, staff and external stakeholders as possible about which topics and ambitions should be included in the plan. At the beginning of May we therefore invited all our students and staff…

Facility

The Summer School will take place from 14-25 June 2021 and welcomes Master-level and PhD-level students who are interested in learning more about the interactions between the EU and the UN and the EU’s role within current patterns in global governance.

ICT

For a 38-hour week you have 232 vacation hours per year. If you make use of the flexible hours option, you will have more or fewer vacation hours. If you work part-time, your vacation credit is proportionate to your contracted hours. If you are in salary scale 11 or above, you may choose to conclude…

Working in a laboratory is different from working in an office. Some of the rules that apply when working in or around a laboratory are given below.

All University employees and researchers have a personal profile page on the website. This page will show where you work and how you can be reached.

Are you an international researcher working for Leiden University? Please note that you probably are legally obliged to take out health insurance. Here you will find if you need a public or a private health insurance, and how to apply for it.

Via Office 365 and OneDrive you can work from all kinds of places and on different devices without having to use Remote Workplace.

The Netherlands have an excellent public transport system. You can get almost everywhere by train, bus or tram. All you need is an OV-chipkaart. When it comes to getting around in Leiden it might be worth to consider buying a (secondhand) bike. Do you prefer travelling by car? You will find more on…

Via Office 365 and OneDrive you can work from all kinds of places and on different devices without having to use Remote Workplace.

If you have a question about the University website, or if you wish to post an announcement or report content-related changes, please contact the web editors of your faculty or unit.

The information on your profile page is generated by different underlying systems. You can (request to) change or delete it. Please note that it may take some time before the adjustments are shown.

When moving to the Netherlands, it is important to know whether you are considered resident tax payer or non-resident. Both residents and non-residents are taxed on their taxable income. A number of criteria help determine your status as resident or non-resident.

Have you experienced or witnessed unacceptable or transgressive behaviour? This page gives information about what you can do yourself and which ‘helplines’ can assist you in this situation.

For conducting experiments involving animals, you need a project license and a valid research plan. On this page, you will read what this entails and how to submit these documents. You will also find other relevant information regarding conducting research involving animals here.

Bachelor, Master

Imagine you’ve accidentally sent a CV to the wrong email address or left your laptop on the train; a momentary lapse of concentration can result in a data breach or security incident. By responding quickly, we can limit the damage and consequences for privacy: both your own and the university’s. You…

In the Mediacenter in Wijnhaven, podcasts can be recorded with user-friendly equipment and four microphones. In addition, we offer the option to record low-threshold videos in the same soundproofed space.

Your PhD studies culminate in a ceremony. The thesis defence is the most important part of the ceremony, and your supervisor or co-supervisor also delivers a eulogy about your work. Find out about the PhD ceremony and what is expected of you as a PhD candidate.

In 2023-2024 seven (teams of) teachers received a Grassroots or Grass shoots grant. Here you can read about their projects.

This academic year, seven (teams of) teachers will receive a Grassroots or Grass shoots grant. Here you can read about their projects.

Bachelor, Master

In this section you will find a listing of national teaching awards, fellowships and grants.

Alongside allowances for business travel, commuting and relocation, there are also a number of smaller allowances for which you may qualify. Find out more about the meal allowance, emergency response team allowance, computer glasses allowance and the trade union contribution.

Our Research Funding Community continuously gathers intelligence that helps with preparing proposals efficiently and to give them the necessary competitive edge. All grant advisors are happy to share this information, and to guide you throughout the process. For quick reference, this page summarises…

Our Research Funding Community continuously gathers intelligence that helps with preparing proposals efficiently and to give them the necessary competitive edge. All grant advisors are happy to share this information, and to guide you throughout the process. For quick reference, this page summarises…

The Party Catering Administration Office has special catering packages for the Faculty Club, and an overview is presented below.

In an inclusive learning environment, every student feels welcome, valued and respected.

Starting from the academic year 2024-2025, the entire university will be using testing platform Ans for digital assessment. The Faculty of Humanities will make this switch from Remindo to Ans in the second semester (February 2025).

Course, Terra Incognita Masterclass

Giving an effective lecture requires not only careful preparation of the content, but also clear structures, visual support and presentation techniques. Some guidelines and tips to keep your lectures engaging and well structured are presented here.

Science, Leiden Institute of Physics (LION)

Many Leiden University employees engage in ancillary activities. The University stimulates such activities because we believe that the right place for a university is at the very heart of society. Ancillary activities bring together research, teaching and society. However, there are some limits on what…

If you work at the university and are in scale 11 or above, you have the option of concluding a function-based contract.

Are you a PhD candidate, and is there something you’d prefer to discuss with someone other than your thesis director or supervisor? The confidential counsellor for PhD candidates is here to help. You can speak to him/her in confidence and receive advice. If you experience symptoms of physical or mental…

You are entitled to an allowance for your commuting expenses. The amount of your commuting allowance depends on your means of transport and the number of kilometres.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Students and staff from Leiden University are protesting in The Hague on 25 November against the billions in cuts to higher education. ‘The cuts are a terrible idea and we want to show why’, says Claire Weeda from WOinActie. ‘Research and teaching are essential to society.’

Arts and culture

Ships are still emitting too much nitrogen oxide. Till now it has been impossible to measure this at sea, but that is set to change. Solomiia Kurchaba combined satellite data and developed algorithms to identify which ships are emitting too much. Kurchaba received her PhD on 11 June.

Students on the Adv. LL.M. Air and Space Law reacted quickly to the news of Ukrainians fleeing the war in Ukraine to neighbouring countries. Filip Draba, who is from Poland, collected donations from the class and, together with additional contributions from family and friends in Poland, he amassed €…

Human resources