1. The 6th International Conference on Ambient Systems, Networks and Technologies. June 2-5, 2015, London, United Kingdom
  2. The 5th International Conference on Emerging Ubiquitous Systems and Pervasive Networks (EUSPN-2014)
  3. The 5th International Conference on Ambient Systems, Networks and Technologies. June 2 – 5, 2014, Hasselt, Belgium
  4. The 4th International Conference on Emerging Ubiquitous Systems and Pervasive Networks (EUSPN-2013)
  5. Track chair:
    Systems Security and Privacy track for ANT-2013
  6. The 14th Workshop on Requirements Engineering (WER 2011)
  7. الندوة الدولية لعلوم و هندسة الحاسوب The 7th International Computing Conference in Arabic (ICCA 2011)
  8. The 13th Workshop on Requirements Engineering (WER 2010)
  9. The 7th IEEE International Conferences on Software Engineering and Formal Methods (SEFM)
  10. The 13th Workshop on Requirements Engineering (WER 2010)
  11. Half-day tutorial on ‘Feature modelling’ to be delivered at the ACS/IEEE International Conference on Computer Systems and Applications (AICCSA 2010)
  12. الندوة الدولية لعلوم و هندسة الحاسوب The 6th International Computing Conference in Arabic (ICCA 2010)
  13. The 12th Workshop on Requirements Engineering (WER 2009)
  14. Workshop on Practice and Theory of IT Security (PTITS’2009)
  15. International Workshop on Model-based Methodologies for Pervasive and Embedded Software (MOMPES’2008)
  16. Workshop on Practice and Theory of IT Security (PTITS’2008)
  17. 11th Workshop on Requirements Engineering (WER’2008)
  18. The 5th International Conference on Software Methodologies, Tools, and Techniques (SOMET 2008)
  19. 6th International Conference on the Quality of Information and Communications Technology (QUATIC 2007).
  20. Program Committee Member, 4th International Workshop on Model-based Methodologies for Pervasive and Embedded Software (MOMPES 2007), Braga, Portugal, March 31, 2007.
  21. Program Committee Member, MBD/MOMPES ’06, Joint Meeting of the 4th Workshop on Model-Based Development of Computer Based Systems (MBD) and 3rd International Workshop on Model-based Methodologies for Pervasive and Embedded Software (MOMPES 2006) March 2006, Potsdam (Berlin area) – Germany.
  22. Program Committee Member, International Workshop on Model-based Methodologies for Pervasive and Embedded Software, June 06, 2005, Rennes, France.
  23. Publications Chair, 13th IEEE International Requirements Engineering Conference, August 29th–September 2nd 2005, Paris, France.
  24. Program Committee Member, NOTRE 2005, Universite de Quebec en Outaouais, August 30th–September 1st, 2005, Quebec, Canada.
  25. Program Committee Member, Workshop on Practice and Theory of Access Control Technologies, satellite workshop of the Montreal Conference on e-Technologies MCETECH 2005, January 19, 2005, Montreal, Canada.
  26. Program Committee Member, 16th Information Resources Management International Conference –Track: Information Technology Education–, San Diego, California, USA (May 15-18, 2005)
  27. Publication Chair, 13th IEEE International Requirements Engineering Conference, Paris, France (September 2005)
  28. Program Committee member, 2004 GITEX Research Conference on Innovations in Information Technology
    (IIT’2004), Dubai, United Arab Emirates (October 3–4, 2004)
  29. Program Committee member, The 3rd International Conference on Software Methodologies, Tools and Techniques, Leipzig, Germany (September 2004)
  30. Organising Committee (workshop coordinator), The 4th International Conference on Application of Concurrency to System Design, McMaster University, Hamilton, Ontario, Canada (June 2004)
  31. Co-organiser, Canadian Software Requirements Symposium ’03, McMaster University, Hamilton, Ontario, Canada (May 26, 2003)
  32. Co-organiser, Symposium on Relational Methods in Software Engineering: Connecting Theory with Practice, McMaster University, Hamilton, Ontario, Canada (March 22–24, 1999)