CONFERENCE ACTIVITIES

Keynote Speaker in

  1. in the 1st Conference of Research and Technology "Herakleitos", organised by Armed Forces and the Hellenic Aerospace Industry that took place in Athens, in 28-29 of June 2007 with Subject "Physical Security: Access Control and Identification Technologies".

  2. the 2nd Balkan Security Forum "Information Systems and Communication Systems Security" that took place in Greece in Thessaloniki in 15-16 June 2006 with subject "VoIP Security: Risks and Solutions".

  3. the 2nd Hellenic Conference "Electronic Crime 2004: Cyberspace Piracy and Telecommunication Fraud" with subject "Protecting Personal Data while accessing Internet", War Museum 24 November 2004, Athens, Greece.

Reviewer in

  1. Optimization Letters, since 2013.

  2. British Journal of Mathematics and Computer Science, since 2014.

  3. International Journal of Mathematics and Computational Science, since 2015.

  4. the International Journal of Discrete Mathematics, Hindawi Press, since 2013.

  5. the 5th International Conference on Electronic Voting, Vienna, July 2012 .

  6. the Future Network and Mobile Summit 2010.

  7. the 15th European Symposium on Research in Computer Security, ESORICS 2010.

  8. the 8th International Conference on Industrial Informatics, INDIN 2010.

  9. the International Conference on Information Security and Cryptology, INSCRYPT 2010.

  10. the International Conference on Security and Cryptography, SECRYPT 2008.

  11. the special issue of IEEE Network on Advances in Network Systems Architecture in 2007.

  12. the International Conference on Information Security and Cryptology, INSCRYPT 2006.

  13. ITCC 2004 on Embedded Cryptographic Hardware.

  14. International Journal of Computers and Their Applications 2003-2005.

  15. the special issue of the IEEE Network for "Network and Service Security" (July 2002).

  16. the 9th Colloquium on Structural InfoRmatiOn and Communication COmplexity (SIROCCO 2002).

Member of

  1. the Editorial Board of the International Journal of Applied and Experimental Mathematics, since 2015.

  2. the Scientific Committee in “12th International Conference on e-Commerce and Digital Marketing”, EC2015.

  3. the Program Committee in “9th International Conference on Digital Society” (ICDS 2015).

  4. the Program Committee in the "International Conference on Information, Intelligence, Systems and Applications” (IISA2014), Chania, Greece, July 2014.

  5. the Program Committee in the "Learning and Intelligent OptimizatioN" (LION8), Gainesville, FL, USA February 2014.

  6. the Program Committee in the "8th International Conference on Digital Society" (ICDS2014) Barcelona, Spain, March 2014.

  7. the Program Committee in the "CYBERLAWS 2013: International Conference on Technical and Legal Aspects of the e-Society", Nice France, February 2013.

  8. the Program Committee in the "International Conference on Security Technology" since 2011.

  9. the editorial Advisory Board of the book "Certification and Security in Health-Related Web Applications: Concepts and Solutions", 2009.

  10. the Program Committee in the First IEEE Workshop on Autonomous Embedded Systems and Networking in 9th International Symposium on Autonomous Decentralized Systems that took place in Athens in March 2009.

  11. the Program Committee and session chairman in the Workshop on Assurance in Distributed Systems and Networks in 22nd International Conference on Distributed Computing Systems (ICDCS 2002 and 2003).

  12. the Program Committee and the Organizing Committee in the conference for PARallel Languages and Environments (PARLE) in 1994.