I am a reviewer for the following journals/conferences:

• Journal of Combinatorial Optimization
• IEEE Access
• Applied Soft Computing
• Soft Computing
• Applied Intelligence
• Operational Research
• Swarm and Evolutionary Computation
• Advances in Engineering Software
• International Journal of Bio-Inspired Computation
• International Journal of Grid and Utility Computing
• Advances in Operations Research
• Journal of Transport Geography
• Journal of Computational Science
• Annals of Mathematics and Artificial Intelligence
• International Journal of Computing and Informatics
• International Conference on Computational Logistics
• Genetic and Evolutionary Computation Conference
• Learning and Intelligent OptimizatioN Conference

I was involved in the organization of the following conferences/workshops:

• Space@Sea workshop on offshore logistics, February 2020, Antwerp, Belgium.
• Special Event on Analysis of Experimental Algorithms (SEA² 2019), June 2019, Kalamata, Greece.
• Learning and Intelligent OptimizatioN Conference (LION 2018), June 2018, Kalamata, Greece.
• International Conference on Algebraic Informatics (CAI 2017), June 2017, Kalamata, Greece.

I attended the following summer schools:

• Onassis Foundation 2017 Lectures in Computer Science, BIG DATA and Applications, Heraklion, Crete, Greece, 2017.
• 26th Jyväskylä Summer School, Sequential Experimentation and Decision Making by Anytime Randomized Search Heuristics, Jyväskylä, Finland, 2016.
• 9th EDBT Summer School, Data and Resource Management in Ambient Computing, Presqu’île de Giens, France, 2009.
• Onassis Foundation 2008 Lectures in Computer Science, Embedded networked Systems: Theory and Applications, Heraklion, Crete, Greece, 2008.