​PAST PROFESSIONAL EXPERIENCE
Visiting Professor of Information Systems and Technology Management, School of Business, Department of Information Systems and Technology Management, The George Washington University, Washington DC. (USA).  Lectures in Management Information Systems Technology and in Structured Development of Information Systems (2012 – 2013).
Associate Professor at the Department of Computer and Information Systems, College of Business, Bloomsburg University, Pennsylvania, USA, since 2002. Tenured in 2007. Interim Department Head in 2009 fall semester. Based on AACSB accreditation standards, academically qualified at graduate level. Gave lectures on Introduction to Programming (using Java), Introduction to Information Technology, Data and Information Structures, Database Processing Systems, Data Communication and Computer Networks, Modeling and Simulation for Business, Economics of Information Systems, Business Technologies for Operations Analysis and Management, Managerial Computer Applications, and E-Commerce. Member of the College Communications and Information Resources (2003 – 2005), Curriculum (2005 – 2011), Assessment (2008 – 2011), Strategic Plan (2010 – 2011), and International Business Centre of Excellence Advisory (2010 – 2012) Committees. Advisor of the local Association of Information Technology Professionals (AITP) chapter (2005 – 2012).

Associate Professor at the Department of Information Systems, College of Commerce and Economics, Sultan Qaboos University, Muscat, Oman. Gave lectures on Management Information Systems and E-Commerce. Member of the College Board and the Research Committee. (2000 – 2002)

Associate Professorial Lecturer at the Department of Management Science, School of Business and Public Management, George Washington University, Washington DC., USA. Gave lectures on Database Expert Systems. (1999 – 2000)
Researcher and Associate Professor  at the Department of Computer Science at the Corvinus University, Budapest, Hungary. Founder and first director of Technology Transfer Centre established at the Corvinus University in 1997. (1996 – 1998)
Director of Computer Science Department of College of Commerce, Catering and Tourism, Budapest Hungary. Lead the PC-based hardware and software renewal. (1997 – 1998)
Head of the Department of Computer Science at the College of Management, Budapest, Hungary. Designed, developed and introduced a four semester IT curriculum with a separate course Enterprise Resource Planning Systems. (1996 – 1998)
Visiting Professor of Computer Science at the Faculty of Computer Science at the University of Applied Sciences, Darmstadt, Germany. Gave lectures in Basics of Computer Science, Basics of Programming, Discrete Simulation and Continuous Simulation. Financed by the Konrad Zuse Foundation of the German Academic Exchange Program. (1994 – 1996)
Researcher and senior lecturer at the Department of Computer Science at the Corvinus University, Budapest, Hungary. Co-operation with Open University Hagen (ZFE Hagen, Germany) in developing multimedia educational materials in mathematics and computer science. (1992 – 1994)
Visiting Professor at the University of Passau, Passau, Germany, Department of Operations Research and Systems Theory. Gave lectures for graduate students during the summer semester of 1990 on Optimisation. Ran seminars on System Analysis, Modelling and Simulation, Simulation Software, Decision Making by Using Computers. Financed by the Konrad Zuse Foundation of the German Academic Exchange Program. (1989 – 1991)
Lecturer and later senior lecturer at the Department of Computer Science of the Corvinus University, Budapest, Hungary. Gave lectures on Computer Simulation for graduate and post-graduate students; ran seminars on the Basics of Computer Science for undergraduate students. (1978 – 1989)
Consultant and co-owner at the SBE TEST, Budapest, Hungary. Provided consulting, programming and database design services for a number of Hungarian businesses and public administration organisations. (1987-1988)
Employee of the Hungarian Central Statistical Office, Budapest, Hungary. Worked in different fields and institutes, including Department of Database and Mathematical Modelling of the Computer Service for State Administration, Department of Computer Techniques, and Department of Economics. Did research, simulation software implementations and user support, practical applications of simulation software in solving different queuing problems with GPSS, and strategic development planning of computer use. Took part in development of the first Hungarian micro-simulation model for prediction of human behavior in different economic situations. (1978 – 1987)

Visiting Professor at the Darmstadt University of Technology, Darmstadt, Germany. Held seminars on Digital Simulation and developed the course program and educational materials for a new course on Computer Simulation Applications. Financed by the Konrad Zuse Foundation of the German Academic Exchange Program. (1983 – 1984)

Employee of the Research Institute for Development of Public Services, Budapest, Hungary. Worked as a researcher. (1976 – 1978)