He completed his postgraduate studies in 1982. Until 1992, he was an assistant professor at the Military Pedagogical College. Entrepreneur in 1992-1998. In the years 1998-2002, the director of the office of the vice-president of the National Property Fund of the Slovak Republic. From 2002 -2008 associate professor and professor VSMaPV in Banská Bystrica. In the years 2008-2014 he was a professor at the University of Economics and Public Administration Management in Bratislava. From 2014 to the present, he is a professor at the A. Dubček University of Trenčín in Trenčín. From 2020 to the present professor at VSMVaV in Prague.
He has published a total of 24 monographs and 10 scripts, the most famous of which are:
Bezpečnosť v 21. Storočí
Vedecko-technický rozvoj v 21.storočí
Vojny v 21. Storočí
EÚ geopolitickí aktér 21. Storočia
Príroda, klíma ľudstvo
Dynamický ekonomický systém
New security Theory
Current geopolitics of the European Union atd.