**About the Special Issue Editors**

**J´ozsef Popp** is Professor and dean at Szent Istv´an University, Faculty of Economics and Social Sciences, Hungary. He is Professor at WSB University, Dąbrowa G´ornicza, Poland and North-West University, South Africa. He is also an active member and chairman of several academic and professional organisations. Professor Jozsef ´ Popp obtained his PhD of economics at the Hungarian Academy of Sciences and his Dr. Sc. oec. degree at the Humbold University, Berlin, Germany. He is a corresponding Member of the Hungarian Academy of Sciences. His research interests includes global food and energy security analysis, competitiveness of the food economy, rural development, supply chain management, renewable energy, bioeconomy and circular economy. Among the honors he has received are: Doctorem Honoris Causa Pannon University, Hungary, 2010 and "Honoris Causa Professorship", Delhi School of Professional Studies and Research, 2010. Award of the Hungarian Academy of Sciences in Recognition of Research Contributions, 2011. https://www.scopus.com/authid/detail.uri?authorId=56031677900.

**Zolt´an Lakner** (1959). MS.c. (Food Eng.), Post-graduate diploma. (Management), Post-graduate diploma (Innovation Management), chartered accountant, Dr. univ. (food economics), Ph.D. (Agric. Econ.), habilitation (Agricultural Engineering), Doctor of Sciences (Agricultural Economics), professor (Szent Istan´ University), head of department (Food Chain Management). Jean Monet Chair. Interests: food system analysis; econometrics and mathematical modeling in food chain; food chain.

**Judit Ol´ah** is Associate Professor at the University of Debrecen, Faculty of Economics. She is Associate Professor at WSB University, Dąbrowa G´ornicza, Poland and North-West University, South Africa. The main area of her scientific work is the food industry and the production of biofuels, risk management, food supply chain, bioenergy, logistics, Industry 4.0, and bioeconomy. https://www.scopus.com/authid/detail.uri?authorId=56016286600.
