Universiteit Leiden

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Roos van der Haer

Assistant Professor

Dr. R. van der Haer
+31 71 527 3886

Roos van der Haer is an assistant professor of International Relations at the Institute of Political Science.

More information about Roos van der Haer

Her current research focuses on the empirical examination of the causes and consequences of child soldiering, recruitment strategies of rebel groups, psychological consequences of conflict participation, quantitative survey research (especially in conflict settings), and more broadly, micro level conflict research. Her work has been published, among others, in the Journal of European International Relations, Conflict Management and Peace Science, Aggressive Behavior, International Journal of Behavioral Development, and Survey Methodology. She has conducted field research in the DRC, Mali, Namibia, Rwanda, Tanzania, and Uganda.

Roos received her PhD from the University of Konstanz (Germany) in 2012, and prior to that studied at the University of Leiden and the University of Manchester.

Curriculum vitae Roos van der Haer

PhD supervision

Roos van der Haer is available to supervise PhD students and invites PhD research proposals in the areas of:

  • civil wars
  • children and youth in conflict and post-conflict societies
  • rebel groups and their recruitment strategies

See for more information on PhD positions:

Institute of Political Science: PhD

Assistant Professor

  • Faculteit der Sociale Wetenschappen
  • Instituut Politieke Wetenschap

Work address

Pieter de la Court
Wassenaarseweg 52
2333 AK Leiden
Room number 5B29


  • Bureau pour le Volontariat au Service de l Enfance et de la Santé Goodwill amabassador
  • Romeo Dallaire Child Soldiers Initiative Technical advisory board

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