187 search results for “is a and petra” in the Staff website
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Petra SlabberUniversitair Facilitair Bedrijf
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Petra Penning
Student and Educational Affairs (SEA)
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Petra Nowee
Gelieerde instellingen
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Petra Awad
Faculty of Science
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Petra ScheepersAdministrative Shared Service Centre
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Petra BoudewijnFaculty of Humanities
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Petra CouvéeFaculty of Humanities
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Petra BoerlageAdministration and Central Services
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Petra EversFaculty of Governance and Global Affairs
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Petra HogenboomFaculty of Humanities
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Petra van der Laken
Leiden University Library
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Petra 't HartFaculty of Humanities
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Petra BarneveldSocial & Behavioural Sciences
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Petra SijpesteijnFaculty of Humanities
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Petra van den BekeromFaculty of Governance and Global Affairs
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Petra van der WeelSocial & Behavioural Sciences
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Petra van der HelmFaculty of Law
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Anna Petra Nieboer
Social & Behavioural Sciences
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Petra van Egmond-Herruer
Universitair Facilitair Bedrijf
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Petra Kamer-de GraafAdministration and Central Services
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Petra de BruijnFaculty of Humanities
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A quick call with Petra Slabber about Emergency Response Day
Every year, the first Monday in November is Emergency Response Day: the opportunity to recognise the importance of emergency response officers. At Leiden University over 400 enthusiastic and dedicated emergency response officers make sure our students and staff are safe, says emergency response training…
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Petra Sijpesteijn elected Fellow of the British Academy
Professor Petra Sijpesteijn has been elected as an International Fellow of the British Academy, a prestigious recognition that highlights her exceptional contributions to the study of early Islamic history.
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Petra Sijpesteijn: 'Membership of foreign academies is incredible recognition'
When Petra Sijpesteijn became a member of the Académie des Inscriptions et Belles-Lettres, she was the only Dutch member with an appointment at a Dutch university. Two years later, she is also the only Dutch member of the Austrian Academy and officially joined the British Academy on 7 October.
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Vici for Petra Sijpesteijn: 'Islamic Empire rapidly became unified'
After the death of the Prophet Muhammad, the Islamic Empire expanded at a tremendous pace. Within a hundred years, it stretched from the Atlantic Ocean to the Indian subcontinent. How did such a rapidly conquered territory become one empire? Professor Petra Sijpesteijn has been awarded a Vici grant…
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Petra Sijpesteijn elected to the Académie des Inscriptions et Belles-Lettres
The Académie des Inscriptions et Belles-Lettres (AIBL), one of the five academies that make up the Institut de France, has elected professor Petra Sijpesteijn as foreign corresponding member (correspondant étranger), to fill the seat of the renowned Egyptologist Edda Bresciani.
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Petra Sijpesteijn elected Corresponding Member of the Austrian Academy of Sciences
In its session of 15 April 2024, the Austrian Academy of Sciences elected professor Petra Sijpesteijn as one of its new Corresponding Members.
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Interdisciplinary Leadership Symposium: Collaboration Across Borders
Conference
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Health and Safety Coordinators
At many university locations the health, safety and environment tasks are coordinated by the General Services Department (UFB). The Faculty of Sciene has its own HSE-service. You can contact your health and safety coordinator (HSE coordinator) for advice and information on working conditions. In most…
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Contact
Read where to go with your questions.
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Educational support units
In all matters regarding education, Leiden University faculties are supported by the Expertise Centre for Student and Educational Affairs and the Faculty Educational Office.
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Student Support Team offers listening ear and advice after upsetting incidents
The new Student Support Team visits university buildings where upsetting incidents have happened, offering support to students in need.
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BAS InSite
In January 2026, Leiden University will transition to a new Basic Administration System: BAS InSite. This system will replace SAP Self Service and the Serviceplein.
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Forgotten your password
Did you forget your password? Want to change your password, or your password has expired? In most cases you can reset your password yourself via the Account Services. If you are not able to access Account Services, please contact an ISSC helpdesk.
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Krista A. MilneFaculty of Humanities
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Academic and non-academic staff do an exchange: ‘We don’t know enough about each other’s worlds’
At a work meal HR Policy Adviser Petra Boerlage and Associate Professor Robert Stein got talking about the ‘worlds’ of academic and support staff: are they really that different, they wondered. And wouldn’t it be good if staff knew more about each other? The two put their money where their mouths are…
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Committee on Human Rights / Conflict Zones
On 27 May 2025, the Executive Board decided to establish a Committee on Human Rights / Conflict Zones.
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Ayub Ayub
Faculty of Humanities
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Katarína MokránováFaculty of Humanities
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Nasser Alajmi
Faculty of Humanities
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Yifan Hu
Faculty of Humanities
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Mark Loderichs
Faculty of Humanities
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Maintenance on window blinds Van Steenis building
Facility
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‘Colourblind parenting is a myth’
We should mention differences in skin colour to our children because only then can we talk openly about prejudice and racism – and how to prevent them. This is what Professor Judi Mesman says in her book ‘Opgroeien in kleur’ (Growing up in Colour), which offers advice to parents. ‘Why is there only…
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Four Leiden professors elected members of the KHMW
The Royal Holland Society of Sciences and Humanities (KHMW) has appointed four Leiden professors as members. Petra Sijpesteijn, Vanessa Mak, Mariska Kret and Miranda van Eck have recently joined the KHMW.
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Triturus newts reveal a genetic balancing act
An evolutionary 'trap' that has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise – yet persists all the same. How is that possible? PhD candidate James France found new clues.
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Caspar Jacobs in Philosophers’ Annual: ‘It is not relationships between objects, but absolute properties that are most important’
An article by assistant professor Caspar Jacobs has been included in the prestigious Philosophers’ Annual, which compiles the ten best philosophy articles each year. In ‘Comparativist Theories or Conspiracy Theories?’, he addresses the question of whether objects have fundamental properties.
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Highlighting Dutch-Jordanian archaeological cooperation in Udhruh
In 2011, the University of Hussein Bin Talal in Maan and Leiden University initiated the joint Udhruh Archaeological Project, led by Professors Fawzi Abudanah and Mark Driessen.
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The ties that bound early Islamicate society
Middle East Studies Lecture
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Daphne Wong-A-FoeSocial & Behavioural Sciences