Reynaud Theunens is since 2009 Chief of the Joint Mission Analysis Centre (JMAC) in the United Nations Interim Force (UNIFIL) in Lebanon. After graduating from the Royal Military Academy, Brussels, he joined the Belgian Armed Forces, 2nd Guides armor regiment in Germany. He subsequently served as a military intelligence analyst at the Belgian Ministry of Defence and attended specialized training in the UK, US and Sweden. Between 1994 and 1999, he worked during a total of two years as a military information/intelligence officer in the UNPROFOR/UNPF (Zagreb, Croatia), UNTAES (Vukovar, Croatia) and SFOR headquarters (Sarajevo, BiH). From 2001 to 2009 he worked at the Office of the Prosecutor (OTP) at the ICTY as an Intelligence Analyst (Military), where he conducted in depth research and analysis in support of investigations and prosecutions of violations of international humanitarian law during the conflict in the former Yugoslavia, with particular emphasis on de jure and de facto (para) military command, control and communication structures. He testified in seven trials as a military expert witness called by the Prosecution on these matters. He had given several lectures on the role of (military) intelligence in the investigation and prosecution of violations of the law of armed conflict, and on intelligence in peace support operations.