He obtained his MSc degree in applied mathematics from Eötvös Lorand University, and PhD degree in economics from Corvinus University of Budapest, Hungary. He is a senior research fellow at the Research Group of Operations Research and Decision Systems, Laboratory on Engineering and Management Intelligence, Institute for Computer Science and Control (SZTAKI). He is an associate professor at the Department of Operations Research and Actuarial Sciences, Corvinus University of Budapest. His research interests include multi-attribute decision making, pairwise comparison matrices, preference modeling, global optimization and multivariate polynomial systems.