As Europe Program Director and Senior Adviser to the President, Fabienne oversees Crisis Group’s work on security challenges and crises on the European continent and in its neighborhood, as well as the transformation of the European Union’s military posture, and the recalibration of the EU’s global role and foreign policy in a changing world. Fabienne has held several executive and leadership positions at think-tanks, philanthropies and the UN. Prior to joining Crisis Group in 2026, she was deputy director general of the Paris Peace Forum, where she contributed to four editions of the annual event and the emergence of normative and governance initiatives for global public goods. She served as acting political director at the UN, working at headquarters and in peacekeeping missions. She was also head of Southern Europe, G7 and G20 policy and advocacy at the Gates Foundation, and a senior advisor at the Open Society Foundations and for The Elders. She helped found the Dakar International Forum on Peace and Security in Africa and spent ten years in conflict zones. 

Fabienne was also Vice President for Multilateral Affairs at Crisis Group, from 2008 to 2014, and the organisation’s first Africa Program Director from 1998 to 2003.