Paulina Luiza Grzelak is a graduate of the Cardinal Stefan Wyszyński University in Warsaw (M.Sc. in environmental protection specialization: technologies used in environmental protection). In 2023, she obtained a Ph.D. degree in technical sciences at the Faculty of Automotive and Construction Machinery at the Warsaw University of Technology. The subject of the doctoral dissertation covered issues related to the analysis of operational properties of internal combustion engines powered by fuels produced in biorefineries. She is the author and co-author of numerous scientific publications. She also participated in many research and development projects concerning renewable energy sources, biofuels and alternative fuels production technologies, as well as environmental protection. She is a co-founder of the Polish Scientific Recycling Association and an ordinary member of the Polish Scientific Society of Combustion Engines. She is a researcher at the Motor Transport Institute in Warsaw.