| 2013 | Program Committee member of ICSE 2013 Formal Demonstrations (International Conference on Software Engineering) |
| 2012 | Program Committee member of ICSE 2012 Tool Demonstration Track (International Conference on Software Engineering) |
| | Program Committee member of ICSM 2012 (International Conference on Software Maintenance). |
| | Program Committee member of ICPC 2012 (International Conference on Program Comprehension) |
| | Program Committee member of ICSE 2012 Poster and Informal Tool Demonstrations Track (International Conference on Software Engineering) |
| 2011 | Program Committee member of ICSM 2011 (International Conference on Software Maintenance). |
| | Program Committee member of WCRE 2011 (Working Conference on Reverse Engineering). |
| | Program Committee member of GPCE 2011 (Tenth International Conference on Generative Programming and Component Engineering). |
| | Program Committee member of Smalltalks 2011. |
| | Program Committee member of WASDeTT 2011 (4th International Workshop on Academic Software Development Tools and Techniques). |
| | Program Committee member of MDSM 2011(International Workshop Model-Driven Software Migration) |
| | Tool Demonstrations Program Committee member of ESEC/FSE 2011 |
| | Reviewer for JSS (Journal of Systems and Software). |
| 2010 | Tool Demo Chair of ICSM 2010 (International Conference on Software Maintenance) |
| | Program Committee member of WCRE 2010 (Working Conference on Reverse Engineering). |
| | Program Committee member of MODELS 2010 (International Conference on Model Driven Engineering Languages and Systems). |
| | Program Committee member of MSR 2010 (Working Conference on Mining Software Repositories). |
| | Program Committee member of ENASE 2010 (International Conference on Evaluation of Novel Approaches to Software Engineering). |
| | Program Committee member of Smalltalks 2010. |
| 2009 | Program Committee member of MODELS 2009 (International Conference on Model Driven Engineering Languages and Systems). |
| | Program Committee member of ICSM 2009 (International Conference on Software Maintenance) |
| | Program Committee member of WCRE 2009 (Working Conference on Reverse Engineering). |
| | Program Committee member of MSR 2009 (Working Conference on Mining Software Repositories). |
| | Program Committee member of TOOLS 2009 (International Conference on Objects, Models, Components, Patterns) |
| | Program Committee member of ENASE 2009 (International Conference on Evaluation of Novel Approaches to Software Engineering) |
| | Program Committee member of IWPSE-EVOL 2009 (International Workshop on Principles of Software Evolution (IWPSE) - and International ERCIM Workshop on Software Evolution (EVOL)) |
| | Program Committee member of VISSOFT 2009 (International Workshop on Visualizing Software for Understanding and Analysis) |
| | Program Committee member of IWST 2009 (International Workshop on Smalltalk Technologies) |
| | Program Committee member of LDTA 2009 ( Workshop on Languages Descriptions, Tools and Applications) |
| | Tertiary reviewer for EuroVis 2009 (Eurographics/IEEE Symposium on Visualization) |
| | Reviewer for SCP (Science of Computer Programming) |
| | Reviewer for SoSyM (Journal on Software & System Modeling) |
| 2008 | Co-organizer of FAMOOSr 2008 (2nd Workshop on FAMIX and Moose in Reengineering co-located with WCRE 2008). |
| | Tool Demonstration Program Committee member for ASE 2008 (International Conference on Automated Software Engineering 2008). |
| | Co-organizer of QTAPC 2008 (Query Technologies and Applications for Program Comprehension collocated with ICPC 2008). |
| | Program Committee member of MCCM 2008 (International Workshop on Model Co-Evolution and Consistency Management - colocated with Models 2008) |
| | Program Committee member of ICSM 2008 (International Conference on Software Maintenance). |
| | Program Committee member of WCRE 2008 (Working Conference on Reverse Engineering). |
| | Program Committee member of MODELS 2008 (International Conference on Model Driven Engineering Languages and Systems). |
| | Workshop committee member of TOOLS 2008 (International Conference Objects, Models, Components, Patterns) |
| | Program Committee member of MSR 2008 (Working Conference on Mining Software Repositories). |
| | Program Committee member of ICPC 2008 (International Conference on Program Comprehension). |
| | Program Committee member of ENASE 2008 (International Conference on Evaluation of Novel Approaches to Software Engineering). |
| | Organizer of several Moose Dojo’s. |
| | Reviewer for JWE (Journal on Web Engineering). |
| | Reviewer for JSME (Journal on Software Maintenance and Evolution). |
| | Reviewer for TSE (IEEE Transactions on Software Engineering). |
| 2007 | Reviewer for TOPLAS (Transactions on Programming Languages and Systems). |
| | Program Committee member of PCODA 2007 (International Workshop on Program Analysis through Dynamic Analysis). |
| | Organizer of FAMOOSr 2007 (Workshop on FAMIX and Moose in Reengineering - collocated with TOOLS 2007). |
| | Program Committee member of IWPSE 2007 (International Workshop on Principles of Software Evolution). |
| | Program Committee member of ICSM 2007 (International Conference on Software Maintenance). |
| | Program Committee member of ICDL 2007 (15th International Smalltalk Joint Conference 2007). |
| | Program Committee member of MSR 2007 (International Workshop on Mining Software Repositories). |
| 2006 | Organization Committee member of the CHOOSE Forum 2006. |
| | Research Demo Co-Chair of WCRE 2006 (Working Conference on Reverse Engineering). |
| | Program Committee member of PCODA 2006 (International Workshop on Program Analysis through Dynamic Analysis). |
| | Program Committee member of ISC 2006 (International Smalltalk Conference). |
| | Program Committee member of Node 2006 (Net.ObjectDays Conference). |