Research Op-ed Ko Colijn over grondoffensief Gaza, NOS 16-nov-2012 22 Nov 2012 - 16:52 Cookies Contact Back to overview Expert The products and services that we offer range from trend analyses that are part of our Clingendael Strategic Monitor, to high-quality in-depth analyses, scenario-building, horizon scanning and alerts specifically geared to your organisation. Commissioned research Ko Colijn Senior Research Fellow