The best way to contact me is by e-mail at .

Otherwise, I can be reached by:
  • Mail:
    Department of Political Science.
    3009 Broadway.
    New York, NY 10027-6598
  • Phone: (1) 212-854-4877
    Fax: (1) 212-854-3024
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Decreasing Violence Through Knowledge

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Ted Talk
I am an Associate Professor of Political Science, working in international relations and African studies, at Barnard College, Columbia University (USA). I specialize in civil wars, peacebuilding, peacekeeping, humanitarian aid, and African politics.

Here are the latest publications based on my new research project, “International Peacebuilding and Local Success”: articles in the International Studies Review, Foreign Affairsand The Washington Post (here and here).