1. Doctor of Economic Sciences, Full Professor, Department of Economics, Entrepreneurship and Business Administration, Sumy State University
2. Ph.D. in Economics, Associate Professor, International Economic Relations Department, Sumy State University
3. Ph.D. in Economics, Department of Economics, Entrepreneurship and Business Administration, Sumy State University
4. Doctor of Economic Sciences, Full Professor, Estonian Entrepreneurship University of Applied Sciences, Estonia; Department of Business Economics and Administration, Sumy State Makarenko Pedagogical University, Ukraine
5. Ph.D. in Economics, Associate Professor, Estonian Entrepreneurship University of Applied Sciences, Estonia; Department of Business Administration, Tallinn University of Technology, Estonia