He obtained his psychological education and successive academic degrees at the Faculty of Psychology of the University of Warsaw. He conducted scientific and educational work at several universities, including the University of Zurich, Cardinal Stefan Wyszyński University and Vizja University in Warsaw. His research focuses on the broadly understood personality and its measurement. He is the author of numerous international publications, which led Stanford University in collaboration with Elsevier to include him in some editions of "The World’s Top 2% Scientists" list. This list comprises the 2% most frequently cited researchers from all scientific disciplines worldwide.