Jan Jakub Michałek (University of Warsaw, Poland) » Fellows Distinguished Fellows Senior Research Fellows Research Fellows Research Associates Distinguished Fellows Go back to directory.Add to Address Book. Jan Jakub Michałek (University of Warsaw, Poland)Website: https://www.wne.uw.edu.pl/index.php/en/profile/view/91 Back to Top Senior Research Fellows Back to Top Research Fellows Back to Top Research Associates Back to Top