Tvrtković, Ognjen studied journalism. He started writing about music in the early 70s, publishing works in various publications and media. He is interested in various aspects of popular music, with a special emphasis on jazz. He is a member of the Musicological Society of the Federation of Bosnia and Herzegovina, the Croatian Musicological Society and the Croatian Society of Composers, as well as the Association of Journalists of Bosnia and Herzegovina and the Society of Slovenian Journalists. He lives between London and Sarajevo.