External examiner for MA in Peace Studies, University of Bradford (2006-2008). External examiner for PG Diploma in Conflict and Dispute Resolution Studies, Irish School of Ecumenics/Trinity College Dublin, (2005-2008). External examiner for MA in Peace and Conflict Studies, University of Ulster (2008-present). External examiner for PhD theses at Umea University (Sweden) March 2007 and London School of Economics, January 2009.