1. Doctor of Business and Management, Assistant Professor, School of Business, Wittenborg University of Applied Sciences
2. D.Sc. (Economics), Professor, Faculty of Economics, Department of Entrepreneurship, Corporate and Spatial Economics, Vasyl’ Stus Donetsk National University
3. Doctor of Management, Assistant Professor, Department of supply chain and logistics, University of Orleans
4. Doctor of Philosophy in HRM, Associate Professor, School of Business, Wittenborg University of Applied Sciences
5. Doctor of Business and Management, Associate Professor, Department of Applied Informatics and Logistics, University of Debrecen