1. Doctor of Economics, Professor, Department of Hotel and Restaurant Business, Faculty of Restaurant, Hotel and Tourism Business, State University of Trade and Economics
2. Doctor in Economics, Professor, Department of Hotel and Restaurant Business, State University of Trade and Economics
3. Ph.D. in Economics, Associate Professor, Faculty of Restaurant, Hotel and Tourism Business, Department of Hotel and Restaurant Business, State University of Trade and Economics, Ukraine
4. Doctor in Economics, Professor, Department of Hotel and Restaurant Business, Faculty of Restaurant, Hotel and Tourism Business, State University of Trade and Economics, Ukraine