**About the Editor**

**Mariusz Jerzy Stolarski** is a professor of agricultural sciences, working as a professor at the University of Warmia and Mazury in Olsztyn (UWM), conducting research into the following: bioresources, bioeconomy, renewable energy sources (RES), biomass growing, productivity, quality, the use of perennial and annual alternative crops for energy and industrial purposes, production technology and logistics of biofeedstock acquisition and processing to obtain higher added value bioproducts and conversion to solid, liquid, and gaseous biofuels, the cascaded use of various agricultural- and forest-origin biofeedstock types, the bioconversion of various types of biomass residues by insects, the assessment of the economic, energetic, and environmental effectiveness of cultivation, production, logistics, and processing of biomaterials, And the characterisation and assessment of the usability of biomass and other RES on individual, local, regional, national, and international levels.

He is the co-author of over 80 original publications with the IF, and the co-author of 11 *Salix* spp. varieties and 1 patent. He has been a member of the Polish Agronomic Association since 2001 and a member of the Association for the Advancement of Industrial Crops since 2014. https: //orcid.org/0000-0003-0712-9678; https://www.researchgate.net/profile/Mariusz-Stolarski.
