• Public website
• Student website
• Staff website
• Organisational structure
• Library website

194 search results for “chemisch weapons en ethics” in the Staff website

• Research

  Leiden University offers researchers extensive facilities and support at every stage of their academic career. Here you will find more information on funding, policy, and publishing, as well as answers to questions such as: How do I arrange a PhD track? Which research grants are available? And what…

• Alcohol- en middelengebruik onder studenten Course

  Personal development

• Leiden Research Support Network Conference 2026 Event - 4 June 2026

  Conference

• Webinar: Ethical Review of Student Research – Best-practices and future development Event - 11 March 2025

  Webinar

• Research Support Portal Research support

  The Research Support Portal first gives an explanation of how the portal works and then offers all kinds of information about research support within Leiden University. The portal serves as a guide for researchers during all phases of their externally funded research projects. Valuable information is…

• Scientific Conduct for PhD's Course

  Career development, Didactics

• Responsible collaboration

  When you work with partners from home or abroad, these collaborations must be safe and responsible.

• 
  Ieke de Vries Assistant professor

  Faculteit der Rechtsgeleerdheid

  i.de.vries@law.leidenuniv.nl | 071 5272727

• 
  Stylianos Paraschiakos PhD candidate / guest

  s.paraschiakos@liacs.leidenuniv.nl | 071 5278927

• 
  Niek Zondag PhD Fellow

  Faculteit der Rechtsgeleerdheid

  n.h.zondag@law.leidenuniv.nl | 071 5272727

• FAQs

  We provide answers here to some frequently asked questions about collaborations with the fossil fuel industry.

• Practical steps upon awarding Grant awarded

  Congratulations on your awarded grant. Here is a checklist of what to do next and who you will need to involve to get your project started.

• Meijerslezing 2025 en Nieuwjaarsreceptie Event - 16 January 2025

• Training and supervision

  From the start of your PhD you make agreements with your supervisors concerning your personal development and the supervision you receive. These agreements should be recorded in a Training and Supervision Plan. This plan contains agreements concerning your research, supervision, training, and potential…

• Research support

  research support portal

• Research Support Network Research support

  The Leiden Research Support Network is the essential network for research support professionals within Leiden University, where colleagues work together and share their knowledge to provide optimum support for researchers. The network's strength lies in the collaboration throughout faculties and ins…

• 
  Arno Knobbe Associate professor

  a.j.knobbe@liacs.leidenuniv.nl | 071 5278919

• Support and community PhDs

  If you need any help with your research or if you encounter problems during your PhD track, Leiden University provides several different types of support for PhD candidates. There are also groups, networks and communities in which you can meet other PhD candidates.

• 
  Marco Visser Assistant professor

  m.d.visser@cml.leidenuniv.nl | 071 5275608

• Kennis over ADHD gebruiken om het leren en welzijn van studenten te vergroten Course

  Personal development

• Centre for Digital Scholarship Summer Training Week 2026 Event - 8 June 2026

  Workshops, lectures

• Police called to university library and Herta Mohr over suspicious situation Announcement - 5 June 2025

  Library, Security

• Sultan Hamid II van Pontianak en de federale staatsvorming van Indonesië Event - 7 October 2025

  PhD defence

• Running Leiden Marathon in a 450th-anniversary t-shirt News - 13 May 2025

  Nearly 19,000 runners lined up at the start of Leiden Marathon on Sunday, among them students and staff from the university. For some this was their first race, for others a highlight of their year. This year, in celebration of our 450th anniversary, they ran in a special jubilee t-shirt.

• 
  Martin Berger Assistant professor

  m.e.berger@arch.leidenuniv.nl | 071 5272727

• 
  Nanne Timmer Associate professor

  Faculty of Humanities

  n.timmer@hum.leidenuniv.nl | +31 71 527 2184

• 
  Thijs Brocades Zaalberg Professor by Special Appointment

  Faculty of Humanities

  t.w.brocades@hum.leidenuniv.nl | 071 5272770

• 
  Markus Davidsen Assistant Professor

  Faculty of Humanities

  m.davidsen@hum.leidenuniv.nl | 071 5272582

• Activities

• Regelgeving onderwijs

  Regelgeving onderwijs

• More information about cooperating with China

• University elections: which staff parties can you vote for? News - 11 May 2026

  Workloads, inclusion, sustainability: what should be the priorities? In the university elections from 18 to 21 May, you can vote for colleagues who will represent you on the University Council. The leaders of the four staff parties outline their plans.

• Brief summary of our approach to our ties with Israeli institutions News - 16 May 2024

  During the last couple of months, Leiden University has conducted many constructive discussions with the University Council and many other experts and groups from the academic community. Based on their input, the Executive board has decided to create a preliminary policy regarding our ties to Israeli…

• Temporary committee on collaborations publishes advice News - 24 April 2025

  How can the university decide which partners to work with and why? This is a question many of us have, both within and outside our community. The advice presented by the Temporary Committee on Assessing Ethical Aspects of Collaborations should provide answers.

• Daring questions in Islam

• PhD candidates and early-career researchers: join a data science and AI challenge in Madrid Announcement - 19 March 2026

  Research

• 
  Jenny Audring Associate professor

  Faculty of Humanities

  j.audring@hum.leidenuniv.nl | 071 5272247

• 
  Andreas Kinneging Professor Philosophy of Law

  Faculteit der Rechtsgeleerdheid

  a.a.m.kinneging@law.leidenuniv.nl | 071 5277654

• 
  Gera van Duijvenvoorde Professor

  Faculteit der Rechtsgeleerdheid

  g.p.van.duijvenvoorde@law.leidenuniv.nl | 071 5278838

• 
  Sarah de Lange Professor

  Faculty of Social and Behavioural Sciences

  s.l.de.lange@fsw.leidenuniv.nl | 071 5272727

• 
  Arco Timmermans Associate professor

  Faculteit Governance and Global Affairs

  a.timmermans@fgga.leidenuniv.nl | 070 8009500

• 
  Valerie Frissen Professor by special appointment Digital Technologies and Social Change

  Faculteit der Rechtsgeleerdheid

  v.a.j.frissen@law.leidenuniv.nl | 071 5278838

• 
  Anne Stiggelbout Professor

  a.m.stiggelbout@lumc.nl | 071 5264575

• 
  Diederik Smit Assistant professor

  Faculty of Humanities

  d.e.j.smit@hum.leidenuniv.nl | 071 5272705

• 
  Lauren Lauret Assistant professor

  Faculty of Humanities

  l.b.lauret@hum.leidenuniv.nl | 071 5272772

• 
  Joris van de Riet Researcher/lecturer

  Faculteit der Rechtsgeleerdheid

  j.t.j.van.de.riet@law.leidenuniv.nl | 071 5277651

• 
  Henrik Barmentlo Assistant professor

  s.h.barmentlo@cml.leidenuniv.nl | 071 5277479

• 
  Thijs Vos Lecturer

  Faculty of Social and Behavioural Sciences

  t.j.vos@fsw.leidenuniv.nl | 071 5272727

• 
  Sarah Giest Professor

  Faculteit Governance and Global Affairs

  s.n.giest@fgga.leidenuniv.nl | 070 8009084

• 
  Maarten van Leeuwen University lecturer

  Faculty of Humanities

  m.van.leeuwen@hum.leidenuniv.nl | 071 5272073