Prof. Tomasz Rydzkowski is a Professor of Machine building and exploitation at Koszalin University of Technology (since 2014) and at the University of Warmia and Mazury in Olsztyn (from 2014 to 2019). For over 25 years, Tomasz Rydzkowski's interests in research have mainly related to polymer processing technology, especially the issue of recycling technology of a variety of materials, including polymer and wood-polymer composites. Another area of his interest is wood engineering, and food processing technology, as well as classical and modern food packaging techniques. He is knowledgeable in machines and technology of processing and recycling of polymeric materials, including expanded polystyrene. His scientific interests include classic polymer materials and modern materials, bioplastics and their composites and nanocomposites, and issues of plastic degradation in various conditions, including seawater. He has experience in research and has a laboratory with equipment for testing the properties of materials and composites.