- Algorithm Analysis - Complexity
- Algorithmic Operations Research
- Constraint Programming
- Data Mining
- Educational Software
- Linear and Network Programming
- Scientific Computing
Member of Editorial Board/Scientific Committee
- Operations Research: An International Journal, Springer-Verlag
- World Academy of Science, Engineering and Science (WASET)
- ACM (Association for Computing Machinery) - Senior Member
- ACM SIG Affiliation: SIGACT (Special Interest Group on Algorithms and Computation Theory)
- EURO Working Group on Decision Support Systems (EWG-DSS)
- European Chapter on Combinatorial Optimization (ECCO)
- Hellenic Artificial Intelligence Society (EETN)
- Hellenic Operational Research Society (HELORS)
- The Continuous Optimization Working Group of EURO (EUROPT)
Reviewer in Peer Reviewed Journals
- American Journal of Operations Research
- Annals of Operations Research
- Applied Mathematics and Computation
- Computational Optimization and Applications
- Computer Applications in Engineering Education
- Computers and Operations Research
- Concurrency ans Computation: Practice and Experience
- European Journal of Operational Research
- International Journal of Applied Management Science
- International Journal of Computer Mathematics
- International Journal of Decision Support System Technology
- International Journal of High Performance Computing and Networking
- Journal of Artificial Intelligence Research
- Journal of Computational Analysis and Applications
- Journal of Parallel and Distributed Computing
- Mathematical Problems in Engineering
- Mathematical Programming Computation
- Operations Research Letters
- Operations Research: An International Journal
- Optimization. A Journal of Mathematical Programming and Operations Research
- Optimization Methods and Software
- RAIRO Operations Research
- Transportation Research Part E: Logistics and Transportation Review
- Yugoslav Journal of Operations Research
- "Modeling Operations Research Problems". This research project is funded by the Veltio Greece LTD. [July 2016 – September 2016].
- "Cross-Border Vertical Axes of Entrepreneurship in Support of Youth and Women". Participation in a research programme co-funded by the European Union and National Funds of Greece and Bulgaria. [February 2011 – February 2013].
- "An improved hybrid usage scenario of ECN and RED for more efficient utilization of backbone Internet router resources". Basic Research Grant from the Research Committee of the University of Macedonia. [May 2010 – December 2011].
- "Employment and Carrier Structure (DASTA) for the University of Macedonia''. This project is supported by the Operational Programme "Education and Lifelong Learning 2007 - 2013"', of the 4th Community Support Framework. [September 2009 – September 2012].
- "A new parallel exterior point simplex type algorithm for the linear programming problem". Basic Research Grant from the Research Committee of the University of Macedonia. [May 2008 – December 2009].
- "EUMEDGRID: Empowering eScience across the Mediterranean". This project is funded by the European Union "Sixth framework programme research infrastructures communication network development". [October 2007 – December 2007].
- "Business data management from heterogonous data resources". This project is funded by the Central Macedonia Region". [November 2006 – December 2008].
- "Smart Taxi Fleet Management". This project is funded by the Central Macedonia Region". [November 2006 – December 2008].
- "Support of Computer Science Studies in the Department of Applied Informatics, University of Macedonia Economic and Social Sciences". This project is funded by the Operational Programme "Education and Primary Vocational Training" (EPEAEK II), of the Third Community Support Framework. [November 2005 – December 2008].
- "Optimization Models and Algorithms for Informatics Problems in Biology, Chemistry and Medicine". This project is funded by the European Union, "FP6 Marie Curie Chairs (EXC)". [October 2006 – October 2008].
- "Cascading Citations Analysis". Research Grant from the Research Committee of the University of Macedonia. [September 2006 – July 2008].
- "Emissions’ reduction of a coal-fired power plant via reduction of consumption through simulation and optimization of its mathematical model". This project is funded by the Greek Secretariat of Research and Technology, "PENED’03". [October 2005 – December 2009].
- "Οn the cycling problem for simplex exterior type algorithms for the minimum cost network flow problem". Basic Research Grant from the Research Committee of the University of Macedonia. [October 2005 – October 2007].
- "Virtual technopolis". This project is funded by the programme "Knowledge clusters in Western Macedonia" from the Western Macedonia Region. [July 2004 – April 2006].
- "Computational Improvements in Combinatorial Optimization Algorithms". Research programme conducted in cooperation with the InCoSys (In-telligent Co-operative Sys-tems) of the University of Aegean. This project is funded by the Operational Programme "Education and Primary Vocational Training (EPEAEK II)", of the Third Community Support Framework and particularly the programme "PYTHAGORAS I". [March 2004 – December 2006].
- "ΜETHODIOS (METHodology for Interactive Office Simulation)". Research programme conducted in cooperation with the Philipos MA.R.C, Macedonia Research Center. [December 1999 – June 2000].