Ko Colijn (1951) is special professor of Global Security Issues at the Erasmus University, Rotterdam, the Netherlands. He is also well known as a journalist, columnist for the weekly Vrij Nederland and commentator on radio (Radio 1, BNR and ‘het oog op morgen’, Belgian VRT) and television (NOS Journaal and NOVA) on war and peace, international arms trade, terrorism and the war on terror, foreign policy and multilateral organizations like the UN or the International Criminal Court (ICC) in The Hague. He lectures at the Clingendael Institute and is board member of the Nederlands Genootschap voor Internationale Zaken. He graduated in 1989 with a study of Dutch arms export policy.