His main interests are in decision-making related to multiple objectives and group decision problems, which includes methodological issues and applications. He has received in 2017 the INFORMS GDN Section Award. He has also received the Award for best Journal (EJOR) paper in Theory and Methodology by EURO (Association of European Operational Research Societies), in 2019, for the first paper related to FITradeoff method, which has been originated by him and his co-workers. He serves on the editorial board of scholarly journals, such as: Group Decision and Negotiation (Management Science Departmental co-editor), Information Sciences, IMA Journal of Management Mathematics, EURO Journal on Decision Processes, International Journal of Decision Support System Technology, and Journal of Aerospace Technology and Management. He authored or co-author over 150 scientific papers in reviewed journals related to a variety of topics such as: Operational Research, Group Decision, Decision Systems, MCDM/A (Multicriteria Decision Making and Aid), Risk, Reliability, Maintenance, Safety, Quality, and Water Resources. He has been working as a consultant and with R&D projects for private and public organizations, where he has applied decision models in many contexts, such as: risk analysis, reliability and maintenance, project portfolio, R&D project portfolio, project management, strategic modeling, outsourcing, information systems, supply chain, and water management. Also, he has been an active member of the main societies related to Operational Research, Group Decision, MCDM/A, Risk, Reliability and Maintenance topics.