1. Ph.D. in Economics, Associate Professor, Faculty of Restaurant, Hotel and Tourism Business, Department of Hotel and Restaurant Business, Kyiv National University of Trade and Economics, Ukraine Kyiv National University of Trade and Economics
2. Doctor in Economics, Associate Professor of the Department of Hotel and Restaurant Business of Kyiv National University of Trade and Economics
3. Doctor of Economics, Professor, Faculty of Restaurant, Hotel and Tourism Business, Department of Hotel and Restaurant Business, Kyiv National University of Trade and Economics
4. Ph.D. (Industrial Sociology), Professor, Faculty of Management, Department of Management, IIMT College of Engineering, Greater Noida, Dr A P J Abdul Kalam Technical University