Jacek Trębecki
Professor, University of Economics in Poznań. Specializes in PR psychology and internal relations. Co-owner of a public relations agency and of the piar.pl publishing house; internal communication and media relations practitioner, developed several hundred PR and training strategies, has worked for the largest businesses in Poland (including Orlen, PTC, KGHM, National Forests, Kulczyk Holding, Siemens, Henkel) and abroad.