He has 30 years experiences in higher education teaching various aspects of Construction Management in English and in Hungarian in courses organized for students from numerous countries. His professional interest spreads from time- and cost estimates through construction technologies, heavy equipment and site-layout design to engineering economics and risk management. Fellow reviewer of more professional and scientific periodicals. His research interests are Combinatorial Models in Construction, including Scheduling and Network Techniques. Member of Hungarian Chamber of Engineers, Certified designer and expert of Construction Technologies and of Construction Management. Contributed in preparing and monitoring numerous construction projects in Hungary and, as forensic engineer, in arbitrating client-contractor disputes at more construction projects. His special field is time- and cost estimates.