2010 member of the committee of the doctoral symposium of the International Conference on Graph Transformation Systems (ICGT)
2009 member of the committee of the doctoral symposium of the international conference on software engineering (ICSE)
2009 member of the committee of the doctoral symposium of the international conference on graph transformation systems (ICGT)
2009 member of the committee of the doctoral symposium of the International Conference on Software Engineering (ICSE)
2008 chair of the committee of the doctoral symposium of the international conference on software engineering (ICSE)
2008 member of the committee of the doctoral symposium of the International Conference on Graph Transformation Systems (ICGT)
2008 member of the committee of the doctoral symposium of the International Conference on Software Testing and Analysis (ISSTA)
2006 keynote speaker at the Doctoral Workshop on Mathematical and Engineering Methods in Computer Science (MEMICS)