Guillaume Lacaille

Senior SSR Adviser and Lead for Advisory Field Support

Guillaume Lacaille is a Senior SSR Adviser and the lead for Advisory Field Support in ISSAT. He has over 15 years’ experience working on security reform, peacebuilding and stabilisation mostly in conflict-affected countries in Africa. He has held various positions as field analyst, policy adviser and programme manager in EU and UN field missions, development agencies and a preeminent think-tank.

From mid-2014 to mid-2017, he was seconded by the UK Stabilisation Unit to EUCAP Sahel Mali as the Political Advisor of the Chief of Mission. Based in Bamako, he supported the reform of the Malian security forces and the implementation of the European security strategy in Sahel. From 2011 to mid-2014, he worked particularly on improving donor’s strategies in the Democratic Republic of the Congo as an independent expert for the UN, the World Bank, the Swiss and British governments. Among other assignments, he was seconded by the Swiss Department of Foreign Affairs to MONUSCO, the UN peacekeeping mission, as a Stabilisation Adviser and he worked for DFID in Kinshasa as the Programme Manager of a £1,9m programme delivering political economy analyses and policy recommendations to the community of donors in Congo. From 2008 to 2010, Guillaume was the Senior Analyst for the DRC at International Crisis Group, based in Nairobi. He researched and authored several ICG reports covering a vast range of issues, including national politics and insurgencies in the Kivu. From 2005 to 2008, he served successively in the UN peacekeeping missions in Côte d’Ivoire (ONUCI) and in Congo (MONUC). With the later, Guillaume was based in Goma as the Political Officer of the DDRRR unit tasked with disarming and repatriating combatants of foreign armed groups. 

Prior to working in Africa, Guillaume was the Political Attaché at the Embassy of Luxembourg in Washington during the 2005 Luxembourg presidency of the EU. He also completed an 18-month military service in France as a Second-Lieutenant in the Army. Guillaume holds a MA in Security Studies from the School of Foreign Services at Georgetown University and a Master in Business Economics from the University of Paris Dauphine. He is fluent in English and French.