Received his MA in the Department of Psychology at the University of Łódź. He held teaching posts in the Pedagogical Department at the University of Łódź and at the SWPS University. He worked as a researcher in the Department of Psychology at the Jagiellonian University in Cracow. His main fields of interest are cognitive psychology, neuropsychology, methodology of psychological research and statistics. He advocates the use of advanced statistical devices in practical psychometrics.