Owner of the Stafiej Partnerzy agency in Warsaw. For several years - Deputy Chairman of International Advertising Association, Poland. During the 1990s for few years has been in Charge of polish branches of the biggest international creation's agencies: McCann-Erickson and DBB. Co-founder and first Deputy Chairman of Radio Zet (one of the biggest radio in Poland). Juryman of advertising festivals, author of articles in "Media Polska", "Impact", "Brief", "Home&Market".