183 search results for “koen” in the Public website
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Interviews with our alumni
As a graduate of the Faculty of Humanities, there are unlimited possibilities. Do you want to know more about the sectors and jobs Humanities' graduates end up? Read their stories below!
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About the programme
In the master’s specialisation in Economic and Consumer Psychology, students study the psychological mechanisms that underlie many of our choices and decisions concerning consumption and other economic behaviours.
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Ancient Worlds Network
The Ancient Worlds Network brings together staff and graduate students in LIAS working on the ancient Mediterranean and Near Eastern world.
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34th World Cultural Council Special Recognition Award for Marike Knoef
Marike Knoef has won an award on the 34th Award Ceremony of the World Cultural Council (WCC).
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Lars van DoornFaculteit der Rechtsgeleerdheid
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Library comes up with creative solutions
UBL, Leiden University Libraries, is doing all it can to continue to offer its services. Even now the motto is, ‘work from home’. Who is doing want and how are things going?
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Flying pencil links Leiden and The Hague at launch of new degree programmes
It was a memorable start to September. While Leiden marked the opening of the academic year, The Hague celebrated the launch of three new degree programmes. Students were welcomed on a blue carpet rolled out at the entrance to the lecture halls.
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Fewer teaching positions, more lecturers
Bringing research and teaching closer together is part of the mission of Leiden University. The 'Career Policy for Academic Staff' working group that has draw up new guidelines for appointing academic staff discovered that the University has many members of staff who do not conduct research.
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Space telescope Euclid makes first test images - astronomers are full of anticipation
The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…
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New KiDS result: Universe 10 per cent more homogeneous than assumed
New results from the Kilo-Degree Survey (KiDS) show that the Universe is almost 10 percent more homogeneous than previously thought. The new KiDS map was created using the partly Dutch OmegaCAM on ESO's VLT Survey Telescope on Cerro Paranal in Northern Chile. An international team of astronomers from,…
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A mathematical three-step rocket helps biologists study tumour blood vessels
Koen Keijzer combined three mathematical models into one unified system capable of making meaningful predictions about how cells form blood vessels. This helps biologists studying the chaotic, leaky blood vessels found in and around tumours.
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Obesity and medication: when does bodyweight matter?
How can we best treat infectious diseases in people with obesity? Hospital pharmacist and PhD researcher Koen van Rhee studied how obesity affects blood levels of two commonly used medicines. He also developed a method for pharmaceutical companies to test new drugs on this patient group.
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EL CID: enthusiastic start for first-years and mentors!
EL CID has started! This is the week when new students have the chance to get to know the city and student life. Some of the mentors and first-years introduce themselves.
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Just Peace Dialogue: Imagining Peace
Amidst today’s armed conflicts, authoritarian governments, cyber-attacks, organized crime, economic insecurity, and ecological destruction, it can be hard to imagine peace. What do we mean by ‘peace’, beyond the absence of war? What kind of peace are we seeking? What makes people and society at peace?…
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Erwin Muller appointed Vice-Rector of Organisational Development
Leiden University’s Executive Board has appointed Erwin Muller as Vice Rector of Organisational Development. In this role, he will help further professionalise and improve the university’s organisation as per the Strategic Plan.
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The AFITE Project successfully hosts the Una Europa Conference on Academic Freedom
On 22–24 October 2025, Leiden University welcomed scholars, policymakers and higher education leaders for the Una Europa Conference on Academic Freedom. Organised by the AFITE project team and supported by Una Europa Seed Funding 2024, the three-day programme examined current pressures on academic freedom…
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Marie Curie grant for dark matter
Leiden Observatory is going to use a new technique to carry out calculations on gravitational lensing measurements. They will do this is the context of research into the formation of elliptical galaxies. Alessandro Sonnenfeld (University of Tokyo) who developed this technique joined the research team…
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What is the shape of cells?
Cells in our body are constantly performing small tasks, such as repairing wounds. They exert force by changing shape. But how do cells translate their shape into exerting a force in a specific direction? Experimental and theoretical Leiden physicists have now found a clue to answer this question. Cells’…
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LUC congratulates the 2016 Theses of Merit winners and Brill Prize winner
LUC The Hague congratulates the authors of this year’s Theses of Merit and the winner of the Brill Prize 2016!
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Dr Vasiliki Kosta speaks at ECB Legal Conference 2021
Dr Kosta participated in the ECB Legal Conference 2021 titled ‘Continuity and change – how the challenges of today prepare the ground of tomorrow’. Dr Kosta spoke in the ‘Symposium on Proportionality’ and presented a taxonomy of the principle of proportionality in EU law based on the interest that it…
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Stieltjes Prize: best Mathematical thesis prize for PhD student Ziyang Gao
Ziyang Gao received the Stieltjes Prize from Koen Becking, chairman of the Executive Board, for his thesis 'The mixed Ax-Lindemann theorem and its applications to the Zilber-Pink conjecture'.
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Measuring skate provides insight into ice-skating technique
In the future top Dutch speed skaters may skate even faster thanks to a skate full of electronics. This ‘measuring skate’ gives top skaters and coaches information about the skater’s technique and motion. It can measure the dynamics at play between the foot, the ice and the skate.
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Dr. Dong Guo won the Dutch Medicinal Chemistry prize 2013-2014
On March 27th, 2015 the biannual Dutch Medicinal Chemistry Prize for the best Dutch Ph.D. thesis in the field was awarded to Dr. Dong Guo, a current postdoc researcher in our lab, by the Section of Medicinal Chemistry of the Royal Netherlands Chemical Society.
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Relentlessly Plain
Understanding Late Neolithic Ceramic Containers from Upper Mesopotamia
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After graduation
Psychology graduates acquire skills useful in a variety of jobs. Whether helping people with mental disorders, researching the brain or deciding who should be hired at a company, psychologists can do it.
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Previous winners
Discover the outstanding researchers and educators recognised by our faculty. This page gives an overview of all prize winners.
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EL CID 2021: a great start in a friendly city
‘Leiden is small, friendly and welcoming,’ says new first-year student Ayla Russel. Strong wind and heavy showers were forecast for the first in-person day of the EL CID on 16 August, which could easily have spoiled this impression. But fortunately the showers – apart from one – fell somewhere else,…
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Algorithms help improve building design
Modern optimization algorithms offer solutions for architectural decisions like spatial, structural and energy efficiency. A young computer scientist from Leiden University co-authored a paper that won the Best Paper Award at a leading conference in Krakow during the summer.
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'Stephen Hawking put abstract science on the map'
Theoretical physicist Stephen Hawking (76) passed away on 14 March at his home in Cambridge, having been a long-term sufferer of the muscular disease ALS. A number of Leiden scientists look back at the life and scientific career of this world-famous physicist. 'He was very approachable and extremely…
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Leiden University Day in China
A Leiden University Day, new agreements on exchanging PhD students and a keynote speech by Geert de Snoo at a popular symposium. In November, a Faculty of Science delegation paid a fruitful visit to eight universities in China.
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LUMC researchers: high levels of lipids in blood protect against allergies
People with relatively high levels of lipids in their blood are less likely to develop allergic conditions such as eczema and asthma. These lipids cause genes that play a key role in allergic reactions to be less active. Researchers from the Leiden University Medical Center (LUMC) have published an…
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Rubin Observatory reveals first images: with key contributions from Leiden
A time-lapse of the universe in more detail than ever before: that’s the aim of the NSF–DOE Vera C. Rubin Observatory in Chile, which will unveil its first images of the night sky on 23 June. Researchers at Leiden Observatory have played a major role in making it all possible.
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Nitrogen professor hands over book to nitrogen minister
Strengthening nature and at the same time investing in future-proof agriculture. That is the task of the Minister for Nature and Nitrogen, Christianne van der Wal. It is also the lifework of Leiden professor Jan Willem Erisman. He has been researching nitrogen for his entire career and has shown that…
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Mapping the universe with a NWO grant of 3.1 million
With the new Euclid satellite, scientists are going to map a large part of the sky. The satellite ofthe European Space Agency (ESA) will soon give them a better view of the galaxies and matter in the universe. Professor of Galactic Astronomy Koen Kuijken and a team of Dutch scientists are receiving…
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Jelle But, Demy Jongkind, and Wim Voermans publish in The Theory and Practice of Legislation
The most recent edition of the journal ‘The Theory and Practice of Legislation’ contains a contribution by Jelle But, Demy Jongkind and Wim Voermans.
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Anne Meeussen wins Ehrenfest-Afanassjewa thesis prize 2021
Anne Meeussen, who defended her PhD thesis on programmable materials in May 2021 earning cum laude honours, won the second Ehrenfest-Afanassjewa prize awarded by the Dutch Physics Council.
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Rose Vossen wins Young Star Award 2021
Rose Vossen has been named winner of the Young Star Award 2021. The Life Science and Technology student received the award on Monday from Ewine van Dishoeck, the founder of the award. Vossen wins a cheque for 2,500 euros for her exceptional results as a bachelor's student. During her final bachelor…
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Insulating phenomenon in superconductor
Leiden physicist Milan Allan and his group have discovered an apparent paradox within a material that has zero electrical resistance. They measured trapped charges, while charges should in theory keep flowing in the absence of resistance. The discovery could provide a missing piece of one of the big…
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First scientific images Euclid telescope exceed all expectations
Space telescope Euclid is capable of unravelling the secrets of the universe. That is what the images published by ESA today show, according to astronomers working with the telescope's data. The images exceed all expectations. Scientists within the Euclid consortium, including astronomers Henk Hoekstra…
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Hall of Fame 2022
In 2022, many of our staff and students won fantastic prizes and were awarded important research grants.
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Awards and Grants 2021
An overview of awards and prizes granted to our staff and students in 2021, as well as special appointments at Leiden University and other institutions.
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Awards and Grants 2018
An overview of awards and prizes granted to our staff and students in 2018, as well as special appointments and royal distinctions.
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Governance and Global Affairs
Knowledge that benefits society is the domain of the Faculty of Governance and Global Affairs (FGGA). FGGA provides high-quality interdisciplinary education on and research into social and governance issues such as terrorism, organisation of public administration, climate change and economic crises.
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Data science and sports: a winning combination
Athletes always strive for the top. How can data scientists assist them in improving their performance? During the seminar Data Science and Sports, the possibilities and challenges of collaboration between these two worlds were discussed.
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Successful authors’ workshop on the EU fundamental right to academic freedom
On 9 June 2023, the workshop on ‘Academic Freedom and its Philosophical Underpinnings in EU law’ took place at the Academy Building, Leiden. It was organized in the framework of the Vidi research project The EU fundamental right to ‘freedom of the art and sciences': exploring the limits on the commercialisation…
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iGEM team Leiden 2016
Using E. coli bacteria to convert a toxic compound in the soil on Mars into oxygen to make life on the planet possible. A team of thirteen Leiden students are taking part in the annual iGEM competition with an entry based on this idea. iGEM is an international competition for students where they use…
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Building with algorithms: looking for the optimal design
How can computers help design optimal buildings? PhD student Koen van der Blom makes algorithms that take into account all kinds of different architectural requirements, in order to reach the best compromise. And that is quite difficult: 'Algorithms do not automatically understand that a building that…
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Building with flexible blocks
On an apparently normal cube a pattern of hollows and bulges appears when the cube is compressed. A method has been developed to design such three-dimensional structures and to construct these using simple building blocks. Publication in Nature.
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Four Leiden consortia awarded large NWO grants
No less than four Leiden research teams have been awarded a grant by NWO. On 27 July NWO honoured 21 applications in the Open Competition ENW-XL. NWO awards the grants to consortia in the exact and natural sciences who are doing unconnected fundamental research that is 'driven by curiosity'.
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Melting of frozen electrons visualized
For the first time, physicists have visualized the ‘melting’ of electrons inside a special class of insulators. It allows electrons to move freely and turns the insulator into a metal and possibly later into a superconductor. Publication in Nature Physics.