• National security and terrorism
  • editing and tutoring

General updates.

The last months have seen the Brussels terrorist attacks as well as some debate regarding the way terrorism is being fought in the Netherlands. I’ve been weighing in on both these issues through opinion pieces and radio interviews. I’ve updated the ‘commentary and analysis’-section and the ‘media appearances’-section on my website accordingly. I also published a chapter […]

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Aanslagen in Parijs.

De aanslagen in Parijs waren de bloedigste in Europa in meer dan tien jaar tijd, en de manier waarop deze acties zijn voorbereid en uitgevoerd, roept vragen op over de ontwikkeling van de terroristische dreiging. Onder Media appearances en Commentary and analysis vindt u mijn bijdragen aan het publieke debat naar aanleiding van de aanslagen. Voor verzoeken […]

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More articles and interviews.

In the last couple of months, I wrote some articles about the futility of western military intervention against the Islamic State, and I gave some interviews about radicalisation and about the terrorist attacks in 26 June. The ‘media appearances’ and the ‘commentary and analysis’ sections have been updated accordingly.

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New articles and interviews.

In the last couple of weeks, I published articles about drones, counterterrorism in Africa and terrorist hostages, as well as two book reviews about books on the Islamic State. Also, I gave several interviews, including one about the attacks in Copenhagen and one about Rotterdam mayor Aboutaleb’s role at the anti-radicalisation summit in Washington. To learn more, please […]

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Charlie Hebdo.

Several Dutch media have contacted me to talk about the terrorist attacks against Charlie Hebdo. You can find the interviews on the ‘media appearances‘ section of this site. I’m also working my impressions of the attacks and the response into an article that will be published by Aspenia Online some time next week.

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PhD defence.

On 18 November I successfully defended my PhD-dissertation about counterterrorism effectiveness at Leiden University, which means that I can finally share my magnum opus with the rest of the world. The entire work as well as the individual chapters are available here. Also, there has been some Dutch media attention for my PhD research. See the media […]

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New article for Aspenia Online.

I recently wrote an article on North Korea for Aspenia Online. I argued that there is no point in trying to get the North Korean regime to abandon their nuclear ambitions. They have nothing to gain from a solution, because need the crisis atmosphere to wring concessions from the US and to maintain the sense of embattlement that is the cornerstone of […]

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