Dimitrios S. Apostolou holds a bachelor’s degree in Physics and a BSc in Business Administration. He also holds an MSc in Operational Research (Mathematical Programming) and a PhD (System Dynamics). He is a results-driven Project Manager with over 20 years of experience leading cross-functional teams to deliver multimillion-euro IT and infrastructure projects on time and within budget. Skilled in Agile and Waterfall methodologies, vendor management, process optimization, and strategic resource allocation, he has consistently improved project delivery efficiency while reducing costs. He is also an expert in the design and development of Decision Support Systems (DSS) based on Multi-Criteria Decision Analysis (MCDA) methodologies, transforming complex technical, operational, and strategic challenges into robust, data-driven decision frameworks. He has a proven ability to bridge technical and business needs, enabling organizations to make informed strategic decisions, optimize resource utilization, and achieve sustainable operational excellence.