2016, Ph.D. in Economics, Head of Marketing Department “Single Digital Educational Space EDDY”

2011, Ph.D. in Economics, Research Fellow at the Institute of Economic Research of the Slovak Academy of Sciences, Bratislava, Slovak Republic

2011, Ph.D. in Economics, Associate Professor of Marketing Department, Sumy State University, Ukraine

2011, Ph.D. in Economics, Associate Professor of Business Economics and Administration Department, Sumy State Pedagogical University, Ukraine

2013, Ph.D. in Economics, Head of Marketing Department at JSC “Sumy Plant Nasosenergomash”