Bartosz Wojciech Hojka

Art Marketing Syndicate SA provides advertising services. It offers Out-of-Home ads on billboards. The company was founded in 1990 and is headquartered in Warsaw, Poland.

Helios SA operates a chain of movie theaters. The company was founded in 1998 and is headquartered in Lodz, Poland.

Stopklatka SA engages in the television broadcasting. It operates Stopklatka TV channel. The company was founded in 1998 and is headquartered in Warsaw, Poland.

Yieldbird Sp zoo engages in the provision of optimizing revenue from programmatic advertising and management services for publishers. The company was founded by Bartlomiej Tomasz Chmiel in 2009 and is headquartered in Warsaw, Poland.

The World Association of Newspapers & News Publishers (WAN-IFRA) is an organization that aims to protect the rights of journalists and publishers worldwide to operate independent media. The non-profit company is based in Darmstadt, Germany, and has subsidiaries in Switzerland. It provides its members with expertise and services to innovate and prosper in a digital world and perform their crucial role in society. WAN-IFRA has formal representative status at the United Nations, UNESCO, and the Council of Europe, and derives its authority from its network of leading news publishing companies and technology entrepreneurs, as well as its 60 national association members representing 18,000 publications in 120 countries.

GoldenLine Sp zoo provide career development services. It offers user’s access to tools that support the development of their careers and employers facilitates the recruitment process and communication with candidates. The company was founded by Karol Traczyko and Mariusz Gralewski in 2005 and is headquartered in Warsaw, Poland.^ ^