Sociologist, founder, Stem InstituteCzech Republic
Jan Hartl is the founder and chairman of STEM Institute. He is the author of a large number of research projects and publications. In 2015 he transformed his business company STEM to non-profit STEM Institute. Unique wealth of STEM survey data consists in long-term systematic study since 1993 up to present. For years he lectured journalists and political scientists at Charles University. In 1994 Jan Hartl founded STEM/MARK - the company devoted to media analysis and market research. During seventies and eighties he worked in the Institute for Philosophy and Sociology, Czechoslovak Academy of Science.