Reviewer in Journals

• 
• Natural Computing, Springer
• Science of Computer Programming, Elsevier

Scientific Committees

open calls for papers

• Member of the Programme Committee of the 35th Annual IEEE Software Engineering Workshop (SEW-35), Heraclion, Crete, Greece, 12-13 October 2012 Deadline: 8 June 2012
• Co-Chair of the Programme Committee of the 10th IEEE International Conference on Software Engineering and Formal Methods (SEFM 2012), Thessaloniki, Greece, October 1-5, 2012 Deadline for abstracts: 4 April 2012 and for papers: 19 April 2012
• Member of the Programme Committee of the Third International Workshop on Formal Methods and Agile Methods (FM+AM'12), Thessaloniki, Greece, 2nd of October 2012 Deadline: 13 June 2012
• Member of the Programme Committee of the 1st International Symposium on Innovation and Sustainability in Education (InSuEdu 2012), Thessaloniki, Greece, 1st of October 2012 Deadline: 13 June 2012
• Co-Chair of the Programme Committee of the 10th International Workshop on Modelling, Simulation, Verification and Validation of Enterprise Information Systems (MSVVEIS 2012), Wroclaw, Poland, 28 June, 2012 Deadline: 10 April 2012
• Member of the Programme Committee of the 6th International Symposium on Intelligent Distributed Computing (IDC'2012), Calabria, Italy, September 24-26, 2012 Deadline: 30 April 2012
• Member of the Programme Committee of the Workshop on Agent Based Computing: from Model to Implementation VIII (ABC:MI'12), Wroclaw, Poland, 9-12 September, 2012 Deadline: 22 April 2012

open calls for participation

• Member of the Programme Committee of the 5th Balkan Conference in Informatics (BCI'12), Novi Sad, Serbia, 16 - 20 Sep 2012 Deadline: 15 March 2012

Past events

2012

• Member of the Programme Committee of the 3rd International Conference on Bioinformatics Models, Methods and Algorithms (BIOINFORMATICS 2012), Vilamoura, Algarve, Portugal, February 1-4, 2012

2011

• Member of the Programme Committee of the 9th IEEE International Conference on SOFTWARE ENGINEERING AND FORMAL METHODS (SEFM 2010), November 14-18, 2011, Montevideo, Uruguay
• Member of the Programme Committee of the 5th International Workshop on Foundations and Techniques for OPEN SOURCE SOFTWARE CERTIFICATION (OpenCert 2011), November 14-18, 2011, Montevideo, Uruguay
• Member of the Programme Committee of the 5th International Symposium on Intelligent Distributed Computing (IDC'2011), October 5 - 7, 2011, Delft, Netherlands
• Member of the Programme Committee of the Workshop on Agent Based Computing: from Model to Implementation VII (ABC:MI'11), Szczecin, Poland, 18-21 September, 2011
• Member of the Programme Committee of the 4th Complex Systems Modelling and Simulation Workshop, Paris, France, 8 August 2011
• Member of the Programme Committee of the 2nd International Conference on Bioinformatics Models, Methods and Algorithms (BIOINFORMATICS 2011), Rome, Italy, January 26-29, 2011

2010

• Co-Chair of the Programme Committee of the ICT track of the 5th Annual South East European Doctoral Student Conference (DSC 2010), Thessaloniki, 12 September 2010
• Member of the Programme Committee of the 10th IEEE International Conference on Information Technology and Applications in Biomedicine, Corfu, Greece, November 3-5, 2010
• Member of the Programme Committee of the Workshop on Agent Based Computing: from Model to Implementation  VII (ABC:MI'10), Wisla, Poland, October 18-20, 2010
• Member of the Programme Committee of the 8th IEEE International Conference on SOFTWARE ENGINEERING AND FORMAL METHODS (SEFM 2010), Pisa, Italy, September 13-17, 2010
• Member of the Programme Committee of the 4th International Symposium on Intelligent Distributed Computing (IDC'2010), September 16-18, Tangier, Morocco
• Member of the Programme Committee of the 2010 IEEE World Congress on Computational Intelligence (IEEE WCCI 2010), Barcelona, Spain, July 18-23, 2010
• Member of the Programme Committee of the 3rd Complex Systems Modelling and Simulation Workshop, Odense, Denmark, 19th August 2010
• Member of the Programme Committee of the 15th IEEE International Conference on Engineering of Complex Computer Systems 2010 (ICECCS 2010), Special Session: Complex Systems Modelling and Simulation, St. Anne's College, University of Oxford, 22-26 March 2010.
• Member of the Programme Committee of the International Conference on Bioinformatics (BIOINFORMATICS 2010), Valencia, Spain, 20-23 January 2010.

2009

• Member of the Programme Committee of the IEEE Congress on Evolutionary Computation (CEC 2009), Trondheim, Norway, 18-21 May 2009.
• Member of the Programme Committee of the Workshop on Complex Systems Modelling and Simulation (COSMOS 2009), York, UK, 13 August 2009.
• Member of the Programme Committee of the 7th IEEE International Conference on SOFTWARE ENGINEERING AND FORMAL METHODS (SEFM 2009), Hanoi, Vietnam, November 23-27th 2009
• Member of the Programme Committee of the 6th Workshop on Agent Based Computing: from Model to Implementation (ABC:MI), 27-29 Aug 2009, Patras, Greece
• Member of the Programme Committee of the 4th South Eastern European workshop on Formal Methods (SEEFM 09), 20 Sep 2009, Thessaloniki, Greece
• Chairman of the 2nd International Conference on ICT Solutions for Justice (ICT4Justice 2009), Skopje, FYROM, September 2009.
• Co-Chair of the Programme Committee of the ICT track of the 4th Annual South East European Doctoral Student Conference (DSC 2009), Thessaloniki, 6-7 July 2009.

2008

• Chairman of the 1st International Conference on ICT Solutions for Justice (ICT4Justice 2008), Thessaloniki, Greece, October 2008.
• Member of the Programme Committee of the 6th IEEE International Conference on SOFTWARE ENGINEERING AND FORMAL METHODS (SEFM 2008), Cape Town, South Africa, 10-14 November 2008
• Member of the Programme Committee of the 5th International Colloquium on Theoretical Aspects of Computing (ICTAC 2008), 1-3 September 2008, The Marmara, Istanbul, Turkey
• Member of the Programme Committee of the 9th WORKSHOP ON MEMBRANE COMPUTING (WMC9), 25-28 June 2008, Edinburgh.

2007

• Member of the Programme Committee of the 3rd South Eastern European workshop on Formal Methods (SEEFM 07), 1 Dec 2007, Thessaloniki, Greece
• Member of the Programme Committee of the 3rd Balkan Conference in Informatics (BCI'07), 27-29 September 2007, Sofia, Bulgaria
• Member of the Programme Committee of the 5th IEEE International Conference on  Software Engineering and Formal Methods (SEFM07), London, UK , September 10-14, 2007
• Member of the Programme Committee of the IRMA2007 International Conference, Theme: Managing Worldwide Operations and Communications with Information Technology, May 19-23 2007, Vancouver, British Columbia, Canada

2006

• Member of the Programme Committee of the 5th International Conference on APPLIED COMPUTER SCIENCE (ACOS '06), Hangzhou, China, April 16-18, 2006

2005

• Co-Chair of the Programme Committee of the 2nd South Eastern European workshop on Formal Methods (SEEFM 05), 18-19 Nov 2005, Ohrid, FYROM. The proceedings are available online
• Member of the Programme Committee of the 10th International Symposium on Health Information Management Research (ISHIMR 2005), Theme: "Improving the quality of health information - an international perspective", 22-24 September 2005 Thessaloniki, Greece.
• Member of the Programme Committee of the 4th Int.Conf. on INFORMATION SECURITY, COMMUNICATIONS and COMPUTERS  (ISCOCO'05).
• Member of the Programme Committee of the IRMA2005 International Conference San Diego, CA (USA) 15-18 May 2005.