From 2001-2004, he was Director of the Conflict Management Programme at the intergovernmental organisation International IDEA in Stockholm, and from 2004-2007, he was director of the Berghof Conflict Research Centre in Berlin.
From 2007-2011 he was CEO at the Glencree Centre, Ireland’s leading peacebuilding NGO. He continues to work independently in the international context. He has published widely on conflict issues, including the widely used IDEA publication, Reconciliation after Violent Conflict: A Handbook (IDEA, 2003).
At mediatEUr, he supports work on mediation in election-related violence; and design and facilitation of consultation processes. He is also a member of the informal Advisory Council for the European Institute of Peace project.