Jerzy Gęga graduated from the Faculty of Chemistry at Wrocław University of Science and Technology in 1986. He obtained his Ph.D. degree in 2005 at the Faculty of Process Engineering, Materials Science, and Applied Physics, and his D.Sc. (habilitation) degree in 2012 at Faculty of Production Engineering and Materials Technology in Czestochowa University of Technology. His research interests include hydrometallurgical processes for recycling non-ferrous metals and methods of metal ion separation in aqueous solutions using solvent extraction, ion exchange, adsorption, and transport through solid and liquid membranes.