1. Ph.D. Student, Department of International Economic Relations, Education and Research Institute for Business, Economics, and Management, Sumy State Universi
2. Ph.D., Assistant Professor, University of Economics in Bratislava
3. Ph. D., Assistant Professor, Accounting and Auditing Department, University of Economics in Bratislava
4. Doctor of Economics, Professor, Krakow University of Economics
5. D.Sc., Professor, Department of Financial Technologies and Entrepreneurship, Sumy State University, Ukraine; Faculty of Organization and Management, Silesian University of Technology, Poland; The London Academy of Science and Business, United Kingdom