Marcin Dębowski received his Master’s degree in water and wastewater technology at the University of Warmia and Mazury in Olsztyn in 2001 and a Ph.D. in water and wastewater technology at the Faculty of Civil and Environmental Engineering, Białystok University of Technology in 2005. He is currently a professor at the Department of Environmental Engineering at the University of Warmia and Mazury in Olsztyn. Since 2020, he has been the Director of the Institute of Engineering and Environmental Protection and Head of the Scientific Council of the Discipline of Environmental Engineering, Mining and Energy at the UWM in Olsztyn. He is also a member of the Environmental Engineering Committee of the Polish Academy of Sciences. His research interests are mainly focused on finding technological solutions to improve the efficiency of water and wastewater treatment processes, sewage sludge management and bioenergy, in particular technologies for biogas production, production and energy use of microalgae biomass.