Tadeusz Tyszka is a head of the Center for Economic Psychology and Decision Sciences in Leon Kozminski Academy of Entrepreneurship and Management. He has been active in the field of judgment and decision making for over twenty five years, both in basic/experimental as well as in applied contexts. He is an author of many Polish and international publications, an active researcher and organizer of academic life in this field. Member of the European Association for Decision Making, and the International Association for Research in Economic Psychology - in 1992-1994 president of this organization. In 1998 awarded by the Foundation for Polish Science.