Christian Kollmann began his career in the communications sector in the early 1980s as a communications consultant, agency manager and managing director at Agentur Pubrel, later Pubrel Hill & Knowlton. Ten years later, he stepped into self-employement, initially alone with CKC – Christian Kollmann Communications. In 1999, he founded the agency communication matters together with Meta Raunig-Hass and Peter Menasse. He ran the agency together with co-partner Dagmar Hemmer until 2023. Christian has been working for the agency as an external consultant since 2024. For ten years he was active in leading positions at the Public Relations Verband Austria (PRVA) (two years as president, eight years as a board member) and worked as a lecturer at the universities in Vienna and Salzburg as well as at the Danube University in Krems. Christian was also Chairman of the international agency network ECCO, based in London and has been involved in the Austrian Ethics Council for PR for many years.