Prof. Tadeusz Kowalski – University of Warsaw, Department of Journalism and Political Science – Institute of Journalism, since 1978 specializing in media economics and media management, author of several classical in Poland publications; f.ex. “Media and Money” (1998); “Media On The Market. Introduction Into Media Economics” (2006); “Between Creativity And Business. Introduction Into Media Management” (2008); “Media Management” (2013).