Personal development, Working effectively

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…

The University does its best to create a pleasant work environment. It may nevertheless happen that you are unable to work due to a short-term or long-term illness or disability. The occupational health physicians will help you reduce health risks and advise you through your recovery and return to w…

Leiden University is committed to creating a pleasant working environment for its staff. It may nevertheless happen that you find yourself unable to work due to a temporary or long-term illness or disability. The university occupational health physicians can help you reduce health risks and give you…

Leiden University is committed to creating a pleasant working environment for its staff. It may nevertheless happen that you find yourself unable to work due to a temporary or long-term illness or disability. The university occupational health physician can help you reduce health risks and give you…

If you work at Leiden University, you automatically accrue pension with the Algemeen Burgerlijk Pensioenfonds (ABP). You can supplement your pension with ABP. In addition to a retirement pension, ABP also offers surviving dependents insurance and a work disability pension. From 1 January 2027, the…

Marjan van Dasselaar is the Staff Ombuds Officer. The Staff Ombuds Officer gives independent advice to the University on how the staff’s work environment can be made safer.

Astronomers have measured the mass of a dormant, supermassive black hole in the early universe for the first time. Thanks to a combination of the James Webb Space Telescope and a natural cosmic magnifying glass, researchers were able to weigh the black hole directly based on its gravity.

On this page you find video tools for educational purposes and information on lecture recordings.

Master

Researchers at the Faculty of Science work at the frontiers of knowledge every day, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements below.

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…

Leiden University contributed to colonialism and slavery through its research and teaching. And governors and residents of Leiden had an active role in colonial networks. These are the findings of two explorative studies presented on 3 April.

Leiden University has had a turbulent week. There have been protests inside and outside our buildings that have evoked reactions, and students and staff have felt unsafe. We want with this message to look back at the past week and look forward to the future. What happened and how do we now want to move…

So many interesting programmes, but which one suits me best? It was the Bachelor’s Open Day in Leiden and The Hague on Saturday 12 October. Among the many things to do in The Hague, prospective students could find out more about three new bachelor’s programmes: Science for Sustainable Societies, Cybersecurity…

For some it will sound like music to their ears, but for others is may sound less appealing: now the advice on working from home has changed, we can once again go to the office. After a period of working from home, which for some lasted almost two years (with maybe a short break), it can be a big transition.…

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. This edition…

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

We are living in turbulent times. Various conflicts in other parts of the world at times give rise to feelings of anxiety, unrest and anger in our country too. We also see this happening in our academic community.

These are turbulent times at Dutch universities. We have all seen what has been and is still happening at various campuses in the country. Protests, demonstrations, occupations. Situations and scenes that deeply affect us all.

‘It was not always accepted, but I just wanted to be a researcher. Now, I am as happy as can be.’ It is one of the quotes from the International Women’s Day presentation for Biology students. Seven women, working as researchers and teachers at the CML, IBL, and Naturalis, shared their experiences with…

During the Opening of the Academic Year 2024-2025, we asked guests for their wishes and ideas for Leiden University's anniversary year in 2025.

How can humans and computers learn from data? To research this, scientists often use so-called Bayesian methods. Although these methods are widely used, they also have limitations and are not always easy to interpret. In her dissertation Rianne de Heide describes some of these problems and introduces…

Sabine de Winter

We asked a lot of everyone last year. The Personnel Monitor showed that the workload was high in 2022 and Covid took its toll. I therefore think everyone deserves some downtime. Time away from the daily grind.

On January 1st Jasper Knoester started as our new dean. How is he finding it? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

For three days, our faculty was all about We are Science Week: the community event full of fun activities for our staff and students. Besides the famous Beat the Professor PubQuiz, this year you could take USC yoga classes in the Gorlaeus garden, escape from Einstein's Escaperoom and sing along at the…

The students and staff at the Faculty of Science celebrated Pi Day with… pie! More than twenty participants baked a pie for the first edition of the Leiden Science baking competition – people queued up to sample the creations.

This year’s We are Science Week was another great success! For the first time, the Campus Square was transformed into a true festival site. Take a look at the photos and join us in looking back on this enjoyable week!

Genes predict whether you have a propensity for an illness but environmental factors often have the last word: nutrition, air pollution, lifestyle, stress. The exposome as both culprit and chance. Large-scale research is being carried out into this at Leiden. Thomas Hankemeier, Professor of Analytical…

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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. Jasper first wrote his column from Kuala Lumpur, and it was ready to share. Then a crisis arose this week that demanded…

International collaboration brings opportunities, but it also carries risks. The Knowledge Security Committee plays a crucial role in assessing such partnerships. Due diligence is essential, says Chair Joanne van der Leun. ‘If this were easy, you wouldn’t need our committee.’

We’ve been using BAS InSite, the university’s new basic administration system, for a month now. The transition to a single integrated platform for all HR, financial and administrative tasks went smoothly, for the most part, but also created a few challenges. ‘It’s not just a technical change; it also…

On International Women's Day (8 March) we take time to consider female emancipation and participation. What does this day mean for Leiden University, and how does it tie in with our aim of becoming more diverse and inclusive? We talked about these issues with Annetje Ottow, who recently became the…

AI is already widely being used in HR processes, but it’s unclear whether these applications contribute to fair and inclusive decision making. Leiden researcher Carlotta Rigotti is involved in BIAS, a big consortium research project that aims to provide answers and develop a new, trustworthy AI app…

How to innovate education? In this series, the Honours Academy highlights examples from their educational testing ground that aim to inspire. Today: pioneering with podcasts. What are the do's and don'ts? Two teachers and a student share their thoughts.

The Dutch universities as a whole are lobbying for a 'normal' academic year from the end of August, where on-campus teaching will be possible. It's a view that Leiden University shares. Rector Hester Bijl talks about what teaching will be like then. She also looks back on a year of lockdown.

Toelating en selectie

Curious to find out how you can contribute to a safe working environment? Then keep reading to discover our tips for working securely. They will help you to work more safely in specific situations. This section contains tools and tips to promote safe working habits in specific situations.

Curious to find out how you can contribute to a safe working environment? Then keep reading to discover our tips for working securely. They will help you to work more safely in specific situations. This section contains tools and tips to promote safe working habits in specific situations.

How do we prepare our students for a future labour market in which flexibility, resilience and adaptability are essential?

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

He was a popular face in the Leiden student world and even developed his own merchandise, but all good things come to an end. After seven years, community support officer Dennis Perdok (49) is leaving this role. Last week he bid farewell to the police and to his job in Leiden’s city centre.

The world is in turmoil. International wars and conflicts have been raging for some time. And political and social developments are causing insecurity, uncertainty and unrest. This has not gone unnoticed within our university community. We have seen protests, demonstrations and other incidents. This…