As a member of staff, you can use Teams Phone for internal phone calls, or to call both mobile numbers and fixed numbers. To do so, you need to be logged in to your university Microsoft 365 account.

The University’s finance organisation is based on the University’s organisational structure. This means that the faculties and units themselves are responsible for many matters. Finance Directorate is responsible for the coordination of the University administration.

Organisation

Organisation

Marcellus Ubbink has been reappointed as Scientific Director of the Leiden Institute of Chemistry (LIC) until 1 July 2030. ‘In the coming years, I want to focus on maintaining and developing our excellent teaching and research.’

ICT

At the start of 2025, the Faculty of Science (FWN) will take on their new roles as programme directors. Charlene Kalle, Thijs Bosker, and Maurijn van der Zee will each be responsible for one of the faculty's bachelor programmes. Their appointments are for a term of four years.

Not all sustainable business models have the impact they claim, Leiden researcher Levon Amatuni revealed. Car sharing and phone reuse, for example, have a smaller positive effect than previously thought. Amatuni advises people to ‘pay attention to actual changes in their consumption behaviour rather…

The Institute of Biology Leiden (IBL) has appointed two new directors. Maribel Adame Valero will become the new Director of Operations on 1 August, and Hubertus Irth will start as the new Scientific Director on 1 September. This completes the new collegial management for IBL, following the earlier appointment…

Curious about what goes on at the Leiden Bio Science Park? During Dutch Bio Science Week (27 June - 5 July), organisations across the park will open their doors. For nine days, Leiden will be dedicated to life sciences and health, with activities for all.

During an evacuation, employees and students of the Science Faculty gather at the following assembly points:

Workshop

Rawi Ramautar will be the new Programme Director of the bachelor of Bio-Pharmaceutical Sciences starting September 1. The appointment is for four years. Ramautar succeeds Erik Danen, who has held the position since 2019.

Suzanne van der Pluijm will be appointed Executive Director and Member of the Board of the Faculty of Science with effect from 1 June 2022. She succeeds Ed van den Berg, who has held this position on an interim basis since 1 September 2021 .

Michiel Hogerheijde has been appointed temporary programme director of the Astronomy master's programme from 1 January to 1 September 2024. He takes over the duties of Harold Linnartz, who unexpectedly passed away at the end of December. Hogerheijde combines the position with his duties as programme…

Matthijs van Leeuwen and Frank Takes have been appointed directors of education at LIACS as of 1 September. They will succeed Marcello Bonsangue, who has held the position since 2016. Van Leeuwen and Takes have been appointed for a period of four years.

Roeland Merks is the new director of the Lorentz Center as of 1 September. He has been appointed for a period of five years. In addition, Merks will remain associated with the Institute of Biology Leiden (IBL) and the Mathematical Institute (MI) as a professor. Merks succeeds Arjen Doelman, who has…

Martina Vijver has been reappointed as Scientific Director of the Centre for Environmental Sciences Leiden. Vijver has been Director of CML since 2022 and her term has now been extended until 1 September 2030.

As of 1 May, Marchien de Mooij will take up the role of director of the Leiden Learning & Innovation Centre (LLInC). She brings extensive experience as a higher education manager and is familiar with our university and the challenges it faces. In a previous role at the LUMC, she worked closely with…

For many years, he was active in various management positions at the LION and even after his retirement he is still very involved. Professor Jan Aarts leads the Leiden hub of the Quantum Delta NL growth fund and is now temporarily responsible for national educational activities. In this way, he is helping…

Gorlaeus Gebouw, Einsteinweg 55, 2333 CC, Leiden

Every year Leiden University organises a number of events where our researchers share their knowledge with an audience of all ages. We are also involved as a partner in a number of local and national events. Fancy joining in? See who to contact below.

Universities, companies, organisations and societies are increasingly facing enormous quantities of data. It is a great challenge to transform these Big Data into knowledge, which is why Leiden University has launched a University-wide Data Science Research Programme.

Welcome to the Science Teacher Platform. Here you will find information about everything related to teaching within this faculty: from the practical matters you need to arrange, to innovating your course.

How do you fulfill a chairing position during a team meeting? How do you visualise a dataset for a presentation? How do you write the introduction to a scientific article? All Science students can find the answers to these and many more questions in the 100+ skill modules on the digital Science Skills…

Every year Leiden University organises a number of events where our researchers share their knowledge with an audience of all ages. We are also involved as a partner in a number of local and national events. Fancy joining in? See who to contact below.

For your work, you may need to make phone calls. Within the university, we use different types of telephony: phoning via Teams and mobile phones.

Dennis Claessen has been appointed Scientific Director of the Leiden Institute of Biology (IBL) with effect from 1 September. He succeeds Hubertus Irth, who has held the position since September 2024. The appointment is for a four year term.

As of 1 July, Marcellus Ubbink is the new Scientific Director of the Leiden Institute for Chemistry. He will succeed Hermen Overkleeft, who led the institute since 2017. Ubbink has been appointed for a period of four years.

Each month, we publish an article showcasing how social science research and education contribute to solving societal challenges. Researchers, lecturers, students, and societal partners work together to make knowledge accessible and to make a difference. Through open science and engaged education, we…

Dirkje Schinkelshoek, Executive director of the Faculty of Science, will become the new Director of Operations and Finances at NWO Domain Organisation (NWO-D) in The Hague as of 1 September.

Starting 1 August Lies Bouwman has been appointed as Director of Education at the LIC. She will combine this role with her position as the Programme Director of the Master's programmes in Life Science and Technology (LST) and Chemistry. By doing so, she joins the new collegial institute board of the…

Marcello Bonsangue will be the new Scientific Director of the Leiden Institute of Advanced Computer Science (LIACS) from January 2024. Bonsangue has been appointed for four years. He succeeds Aske Plaat, who led the institute for eight years.

Koenraad Schalm will be the new programme director of the Physics master starting 1 November. He has been appointed for a period of four years. Schalm succeeds Ana Achúcarro who has held the position since 2021.

Jasper Williams has been appointed as the new Operational Director of CML. He is succeeding Paul de Hoog, who held the position for over eleven years, initially as Institute Manager and later as Operational Director. Williams will assume the position on 1 February.

In early 2026, two new programme directors will begin their roles at FWN. Joost Broekens will take charge of the bachelor’s programme in Data Science and Artificial Intelligence (DSAI), while Sander van Kasteren will become programme director of the MSc in Life Science and Technology (LST).

As of 1 September Miranda van Eck will be the new Scientific Director of the Leiden Academic Centre for Drug Research. She succeeds Hubertus Irth, who led the institute since 2016. Van Eck has been appointed for a period of four years.

Michiel Hogerheijde will be the new Programme Director of the bachelor Astronomy starting 1 October. The appointment is for four years. Hogerheijde succeeds Harold Linnartz who has held the position since 2018.

As of 1 January this year, Wolfgang Löffler has been appointed as the new Director of Education at LION. In this role, he joins the institute’s management board. His appointment is for a period of four years.

During an evacuation, all employees and students gather at the front or backside of the Pieter de la Court Building.

Communication, Research, Transferable skills

He officially began as Strategic Adviser for Real Estate on 1 July. But in practice, Ferdy Poppelier, the former Director of Real Estate, will still mainly be the principal of construction projects. ‘It’s great to see that we as the Real Estate expertise centre have achieved so much.’

Festival

As of 1 September, Martina Vijver is the new Scientific Director of the Institute of Environmental Sciences. She succeeds Arnold Tukker, who led the institute since 2013 and served the maximum term of two times four years. Vijver has been appointed for a period of four years.

John Kroes received a royal honour from Leiden deputy mayor Julius Terpstra on 20 November. He was appointed Knight of the Order of Orange-Nassau for his exceptional services to the university and his extensive voluntary work for organisations in Leiden and The Hague.

As of 16 August Ignas Snellen is the new Scientific Director of the astronomical institute of the Faculty of Science. He will succeed Huub Rottgering, who led the institute since 2012. Snellen has been appointed for a period of four years.

Barbara Gravendeel has been appointed as the new scientific director of Hortus botanicus Leiden. Additionally, she has been named Professor of Plants and Society. Gravendeel succeeds Paul Keßler, who held the position for nineteen years. Currently, she works as a group leader at Naturalis Biodiversity…

Research, Transferable skills

After ten years and one day, Leiden Observatory has a new director. As of 1 September, Ignas Snellen will set the course for the astronomical institute. In this interview, you will get to know Ignas. Or at least a little. That is why we gave him five dilemmas and asked the people around him who he really…

As of 1 May Gianne Derks is the new Scientific Director of the Mathematics Institute. Derks succeeds Hermen Jan Hupkes who temporarily assumed the role. Derks has been appointed for a period of four years.