• Public website
• Student website
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716 search results for “policy and security networks” in the Library website

• Security Studies

  Overview of databases, reference works and websites for research in Security Studies

• 
  Joana Cook Assistant professor

  Faculty of Governance and Global Affairs

  j.l.i.cook@fgga.leidenuniv.nl | 070 8009506

• 
  Ellen van Reuler Lecturer

  Faculty of Social and Behavioural Sciences

  a.a.h.e.van.reuler@fsw.leidenuniv.nl | 071 5275077

• 
  Edwin Bakker Professor

  Faculty of Governance and Global Affairs

  e.bakker@fgga.leidenuniv.nl | 070 8009506

• 
  Júlia García Puig PhD Fellow

  Faculty of Governance and Global Affairs

  j.garcia.puig@fgga.leidenuniv.nl | 0623822177

• 
  Sebastian Sewerin Lecturer 3

  Faculty of Social and Behavioural Sciences

  s.sewerin@fsw.leidenuniv.nl | 070 8009500

• 
  Linde Desmaele Assistant Professor

  Faculty of Governance and Global Affairs

  l.desmaele@fgga.leidenuniv.nl | 070 8009500

• 
  Joachim Koops Professor

  Faculty of Governance and Global Affairs

  j.a.koops@fgga.leidenuniv.nl | 070 8009506

• 
  Gus Greenstein Assistant professor

  Faculty of Governance and Global Affairs

  g.h.greenstein@fgga.leidenuniv.nl | 070 8009500

• 
  Valérie Pattyn Associate professor

  Faculty of Governance and Global Affairs

  v.e.pattyn@fgga.leidenuniv.nl | 070 8009500

• 
  Alberto Ceria Visiting researcher

  Faculty of Social and Behavioural Sciences

  a.ceria@cwts.leidenuniv.nl | 071 5272727

• 
  Michael Kowalski Professor by Special Appointment

  Faculty of Governance and Global Affairs

  m.kowalski@fgga.leidenuniv.nl | 070 8009500

• 
  Olga Gadyatskaya Associate professor

  Faculty of Science

  o.gadyatskaya@liacs.leidenuniv.nl | 071 5277033

• 
  Katherine Hamilton Education and research staff member

  Faculty of Science

  k.l.hamilton@liacs.leidenuniv.nl | 071 5272727

• 
  Nikki Ikani Assistant professor

  Faculty of Governance and Global Affairs

  n.ikani@fgga.leidenuniv.nl | 070 8009506

• 
  Shuang Sun PhD candidate

  Faculty of Science

  s.sun@liacs.leidenuniv.nl | 071 5272727

• 
  Alex Ingrams Associate professor

  Faculty of Governance and Global Affairs

  a.r.ingrams@fgga.leidenuniv.nl | 070 8009901

• 
  Damien Van Puyvelde Associate professor

  Faculty of Governance and Global Affairs

  d.t.n.van.puyvelde@fgga.leidenuniv.nl | 070 8009500

• 
  Giliam de Valk Assistant Professor

  Faculty of Governance and Global Affairs

  g.g.de.valk@fgga.leidenuniv.nl | 070 8009028

• 
  Lena Riecke PhD candidate

  Faculty of Governance and Global Affairs

  l.riecke@fgga.leidenuniv.nl | 070 8009506

• 
  Ingrid Tieken-Boon van Ostade Professor emeritus

  Faculty of Humanities

  i.m.tieken@hum.leidenuniv.nl | 071 5272727

• 
  Tim Wuisman Tutor Bachelor Security Studies

  Faculty of Governance and Global Affairs

  t.wuisman@fgga.leidenuniv.nl | 070 8009506

• 
  Shivant Jhagroe Assistant professor

  Faculty of Governance and Global Affairs

  s.s.jhagroe@fgga.leidenuniv.nl | 070 8009904

• 
  Frank Takes Professor/Director of Education

  Faculty of Science

  f.w.takes@liacs.leidenuniv.nl | 071 5277143

• 
  Zakia Shiraz Assistant professor

  Faculty of Governance and Global Affairs

  z.shiraz@fgga.leidenuniv.nl | 070 8009506

• Introduction to Network Theory Using Gephi Event - 9 June 2026

  Workshop

• 
  Sarita Koendjbiharie University Lecturer Management & Organization

  Faculty of Humanities

  s.r.koendjbiharie@hum.leidenuniv.nl | 070 8009535

• 
  Anne-Laura van Harmelen Professor

  Faculty of Social and Behavioural Sciences

  a.van.harmelen@fsw.leidenuniv.nl | 071 5276186

• 
  Frans Osinga Professor

  Faculty of Governance and Global Affairs

  f.p.b.osinga@fgga.leidenuniv.nl | 070 8009506

• 
  Bas Rietjens Professor by Special Appointment

  Faculty of Governance and Global Affairs

  s.j.h.rietjens@fgga.leidenuniv.nl | 070 8009506

• 
  Sophie Vériter Research Fellow

  Faculty of Governance and Global Affairs

  s.l.veriter@fgga.leidenuniv.nl | 070 8009500

• Leiden University Open Access Policy

  The Executive Board has decided that Leiden University will endorse Open Access.

• 
  Tim Enwerem External PhD Candidate

  Faculty of Governance and Global Affairs

  t.k.enwerem@fgga.leidenuniv.nl | 070 8009506

• 
  Tommy van Steen Associate Professor

  Faculty of Governance and Global Affairs

  t.van.steen@fgga.leidenuniv.nl | 070 8009500

• 
  Bernard Steunenberg Professor emeritus

  Faculty of Governance and Global Affairs

  b.steunenberg@fgga.leidenuniv.nl | 071 5272727

• 
  Nele Mentens Professor

  Faculty of Science

  n.mentens@liacs.leidenuniv.nl | 071 5274799

• 
  Willemijn Aerdts Lecturer

  Faculty of Governance and Global Affairs

  w.j.m.aerdts@fgga.leidenuniv.nl | 070 8009500

• 
  Gerard Breeman Associate professor

  Faculty of Governance and Global Affairs

  g.e.breeman@fgga.leidenuniv.nl | 070 8009373

• 
  Koen Caminada Professor

  Faculteit der Rechtsgeleerdheid

  c.l.j.caminada@law.leidenuniv.nl | 071 5271571

• 
  Jelle van Buuren Associate professor

  Faculty of Governance and Global Affairs

  g.m.van.buuren@fgga.leidenuniv.nl | 070 8009500

• 
  Iris Müller PhD candidate

  Faculteit der Rechtsgeleerdheid

  i.muller@law.leidenuniv.nl | 071 5272727

• 
  Ella Has PhD candidate

  Faculty of Science

  e.has@liacs.leidenuniv.nl | 071 5272727

• 
  Simon Willmetts Associate professor

  Faculty of Governance and Global Affairs

  s.d.willmetts@fgga.leidenuniv.nl | 070 8009500

• 
  Müge Kinacioglu Lecturer

  Faculty of Social and Behavioural Sciences

  m.kinacioglu@fsw.leidenuniv.nl | 070 8009500

• 
  Hanjo Boekhout Visiting researcher

  Faculty of Social and Behavioural Sciences

  h.d.boekhout@liacs.leidenuniv.nl | 071 5272727

• 
  Constant Hijzen Research Fellow

  Faculty of Governance and Global Affairs

  c.w.hijzen@fgga.leidenuniv.nl | 070 8009506

• 
  Ernst Dijxhoorn Assistant professor

  Faculty of Governance and Global Affairs

  e.e.a.dijxhoorn@fgga.leidenuniv.nl | 070 8009082

• 
  Arie Ros Academic lecturer

  Faculteit der Rechtsgeleerdheid

  a.p.ros@law.leidenuniv.nl | 070 8001571

• 
  Deborah Oyuu PhD candidate

  Faculty of Humanities

  i.d.oyuu@hum.leidenuniv.nl | 071 5272727

• 
  Marieke Liem Professor

  Faculty of Governance and Global Affairs

  m.c.a.liem@fgga.leidenuniv.nl | 070 8009935