The Fifth International Conference on Internet and Web Applications and Services (ICIW2010), programmkomitee liige 2009-2010
The Fourth International Conference on Internet and Web Applications and Services (ICIW2009), programmkomitee liige 2008-2009
Joint Conference on Knowledge-Based Software Engineering 2006 (JCKBSE'06, Tallinn, august 2006), korraldustoimkonna liige 2006