1. Head Research service of the Verkhovna Rada of Ukraine, Kyiv, Ukraine.
2. Head of the Department of Security and Law Enforcement of the West Ukrainian National University, Ternopil, Ukraine.
3. Associate Professor of the S. I. Yuriy Department of Finance, West Ukrainian National University Ternopil, Ukraine.
4. Associate Professor of the Department of International Tourism and Hospitality Business B. Havrylyshyn Education and Research Institute of International Relations, West Ukrainian National University Ternopil, Ukraine.