The focus of the Bachelor Data Science & Artificial Intelligence is on computer science, and its applications in Artificial Intelligence. You will receive a strong basis in mathematics, statistics and computer science, combined with advanced knowledge of machine learning, cognitive science, human-robot…

In the master’s specialisation Computer Science and Business Studies, you combine high quality research in Computer Science with training in management and entrepreneurship. You will expand your knowledge of computer science and develop business and organisational skills that are essential to become…

Study information

Microbial Sciences'contribution to the Development & Disease research theme is to perform world-class research to understand cellular morphogenesis, growth, development and virulence of microbes.

How do you ensure that research is performed, evaluated and managed in a responsible way? This question is also of the utmost important to the University itself. The Centre for Science and Technology Studies (CWTS) studies scientific research and its relationship with technology, innovation and soci…

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

The Leiden Bio Science Park (LBSP) is the largest innovation district in the Netherlands in the field of Life Sciences & Health. The clustering of high-quality education, research, healthcare, and industry attracts students, scientists, and entrepreneurs from all over the world to the knowledge city…

The Leiden University Center for Statistical Science unites the statisticians teaching and researching at Leiden University.

Join the OSCL community to share your experience and learn more from others at Leiden University

Plant Sciences' contribution to the Biodiversity & Evolution research theme is to understand what are the key drivers of plant biodiversity during evolution with a focus on plant life history and resilience traits and develop tools to restore and maintain plant biodiversity.

The programme group Clinical Neurodevelopment Sciences is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

The programme group Educational Sciences is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

Are you currently enrolled in an applied sciences programme and are you considering a university master? At Leiden University you are more than welcome. A master at University will provide more depth in knowledge and you are able to specialise in a great number of areas of expertise. With the right…

The master’s specialisation Bio-Pharmaceutical Sciences and Education at Leiden University combines fundamental chemistry research with an excellent education in becoming a Chemistry teacher.

Once you have secured a PhD position, a scholarship, or other funds and you have found a supervisor who is willing to supervise you during the PhD track, you should apply to the Graduate School of Science. This page informs you about the application procedure.

The Biomedical Sciences Master programme in Leiden will help to deepen and broaden your understanding of human health and disease. We provide you with a challenging and flexible programme in a personalized environment.

In the Research in Bio-Pharmaceutical Sciences specialisation you will perform research on various topics in the area of Drug Discovery and Development. The programme offers a high level of flexibility and can be tailored to your scientific interests. The major research project is hosted by the Leiden…

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

Knowledge security is essential to safeguard our intellectual assets, maintain trust with partners, and comply with legal and ethical standards.

How can complexity science advance intelligence transformation?

The Science for Sustainable Societies bachelor’s programme equips you to address pressing environmental issues through an interdisciplinary approach. By integrating natural sciences, social sciences, and governance, you’ll develop the expertise to analyse and solve complex sustainability challenges…

They were called 'annoying brats', the group of campaigning scientists who in 1978 founded what is now an internationally acclaimed ecological research institute. Their stories and those of the current staff of the Institute of Environmental Sciences are described in the book 'Forty years of Leiden…

A warm welcome to the Graduate School of Social and Behavioural Sciences at Leiden University.

The Science for Sustainable Societies bachelor’s programme equips you to address pressing environmental issues through an interdisciplinary approach. By integrating natural sciences, social sciences, and governance, you’ll develop the expertise to analyse and solve complex sustainability challenges…

Are you considering doing a PhD at CWTS? On this webpage we provide you with the necessary information about the application process, the Graduate School, and all relevant regulations.

The aim of the research programme is to provide insight into the cognitive processes and brain mechanisms that underlie reading, arithmetic and learning in general.

The first location of the Open Science Centre network was opened on 7 July in Figueira de Castelo Rodrigo, Portugal. A Portuguese Minister and a State Secretary inaugurated the Plataforma de Ciência Aberta, which is a collaboration between Leiden University and the municipality of Figueira de Castelo…

It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.

How many stars are there in the Universe? And how can astronauts float in space? These and many other questions about astronomy will be answered at Leiden University on Saturday 9 February.

The Centre for Science and Technology Studies (CWTS) is a research institute at Leiden University working on improving how science is practiced and governed and how it serves society.

The seminar series on ‘Diversity and Inclusion in Global Science’ aims to foster debate on inequalities in science across the world.

Animal Sciences’ contributions to the Biodiversity & Evolution research theme include evo-devo research, the evolution of cognitive and behavioural traits, and the evolutionary mechanisms of stress adaptation. This research involves both indoor and outdoor studies.

Animal Sciences’ contribution to the Bioactive Molecules research theme includes research on molecules from natural sources, such as plants, insects, and snake venom, with the aim to identify novel anti-cancer, anti-inflammatory, anti-microbial, and anti-diabetic agents.

Animal Sciences’ contributions to the Development & Disease research theme include the mechanisms and evolution of embryonic development, the development of cognitive mechanisms, and animal models for understanding mechanisms of human disease.

Responsible AI for science and a strong and resilient society.

This was the programme for The Knowledge Orchard 2025:

The Educational Sciences programme group of the Institute of Education and Child Studies at Leiden University provides courses in the field of student education and the learning and development of children in the school context.

Microbial Sciences' contribution to the Bioactive Molecules research theme is to discover new bioactive molecules and enzymes and unravel their mechanisms of action, regulatory networks, and the (bio)synthetic pathways required for their production.

The Leiden Leadership Centre brings academia and practice together by organising events on public leadership – such as Leiden Leadership Lunches, webinars, (international) conferences, and the Leiden Leadership Podcast.

There are around 300,000 people in the Netherlands who donate blood on a regular basis. Women can give blood up to three times a year and men up to five times, resulting in approximately one million blood donations each year. Patients that receive this donated blood are already in a vulnerable condition,…

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?

What does our faculty stand for and what will we do in the next five years? We are proud to present our new strategic plan that we made together. On this website you will find more information about what our Faculty stands for and what our course is for the coming years

Animal Sciences’ contributions to the Host-Microbe Interactions research theme focus on the interaction of animal hosts with pathogenic microbes but also the beneficial role of the gut microbiome.

The Faculty of Governance and Global Affairs

Open Science Hub, a science education project coordinated by Leiden University, has won the 2021 Portuguese Medal of Scientific Merit for its contributions to community development through science education, research and innovation.

The Night of Discoveries is an annual event in Leiden, focusing on science and culture. The Young Academy Leiden is a recurring contributor to the Night of Discoveries.