Professor of agricultural sciences, working as a professor at the University of Warmia and Mazury in Olsztyn (UWM), conducting research into bioresources, bioeconomy and renewable energy sources. Biomass growing, productivity, quality and 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. Cascaded use of various agricultural- and forest- origin biofeedstock types. Bioconversion of various types of biomass residues by insects. Assessment of economic, energetic and environmental effectiveness of cultivation, production, logistics and processing of biomaterials. Characterisation and assessment of biomass and other RES usability on an individual, local, regional, national and international level.